Today's Science News

November 21, 2025

NASA astronaut shows how to 'weigh' yourself in space | On the ISS this week Nov. 17-21, 2025 - From measuring one's mass to boosting the almost 1 million pounds that comprise the entire orbiting complex, the Expedition 73 crew aboard the International Space Station had a busy week in orbit.
Capture the beauty of the cosmos for under $500 with this super-portable smart telescope Black Friday deal - Take gorgeous images of the night sky with this compact Dwarflab Dwarf 3 smart telescope, this Black Friday.
Here’s Why Words Blur Together When You Listen to a Foreign Language - Learn how experience teaches the brain to distinguish between the words in languages over time.
SpaceX's 1st 'Version 3' Super Heavy Starship booster buckles under pressure during initial tests - SpaceX began testing the newest version of its Starship Super Heavy booster overnight Thursday (Nov. 20), but by Friday morning (Nov. 21), it was clear those tests did not go as planned.
Canon 18x50 IS UD all-weather binocular review - If you're looking for a pair of binoculars that won't let you down, look no further — these image-stabilized binoculars are ideal for stargazing.
A New Bridge Links the Strange Math of Infinity to Computer Science - Descriptive set theorists study the niche mathematics of infinity.
What is BioSentinel? - Editor’s Note: This article was updated Nov. 21, 2025 shortly after BioSentinel’s mission marked three years of operation in deep space.
UN climate summit drops mention of fossil fuels from draft deal - A row over fossil fuels has broken out at COP30 but this is also likely to be a negotiating tactic.
First revealed in spy photos, a Bronze Age city emerges from the steppe - An unexpectedly large city lies in a sea of grass inhabited largely by nomads.
25 Years of Scientific Discovery Aboard International Space Station - November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration and human ingenuity.
A looming 'insect apocalypse' could endanger global food supplies. Can we stop it before it's too late? - Insect populations are in steep decline, which could endanger the food supply.
Canon 10x20 IS binocular review: A compact binocular suitable for stargazing - Lightweight, portable and powerful, the Canon 10x20 IS binoculars are suitable for those who like to travel light when stargazing.
Rocket Lab launches mystery satellite for 'confidential commercial customer' (video) - Rocket Lab launched a satellite for a "confidential commercial customer" on Thursday morning (Nov. 20), just a few hours after giving notice of the impending liftoff.
How Mega-Constellations Are Learning to Manage Themselves - Satellite megaconstellations are quickly becoming the backbone of a number of industries.
How did this 20-light-year-wide 'Diamond Ring' form in space? Maybe a cosmic bubble burst - "All that remained was the particular flat shape."
Did Neanderthals Deal with the Common Cold and Other Types of Ailments?  - Learn more about the diseases Neanderthals endured and how their weakened immune system and encounters with humans made them more susceptible to infection.
Earth just got hit by a stealth solar storm no one saw coming - The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.
Rocket Report: SpaceX’s next-gen booster fails; Pegasus will fly again - With the government shutdown over, the FAA has lifted its daytime launch curfew.
Dancing on the brain - A University of Tokyo team utilized AI and brain imaging to study dance, revealing how expertise influences emotional responses and neural patterns in dance perception.
Switching off AI's ability to lie makes it more likely to claim it’s conscious, eerie study finds - Leading AI models from OpenAI, Meta, Anthropic and Google described subjective, self-aware experiences when settings tied to deception and roleplay were turned down.
NASA’s Artemis 2 moon rocket comes together | Space photo of the day for Nov. 21, 2025 - The Orion crew module gets stacked onto the Space Launch System in preparation for the upcoming Artemis 2 mission in early 2026.
We went hiking with the Coros Pace Pro sports watch — It's surprisingly good - We liked having the Coros Pace Pro as our hiking companion, but we do not think this sports watch will be our go-to option for extreme outdoor explorations.
Hubble Seeks Clusters in ‘Lost Galaxy’ - Today’s NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million light-years away in the constellation Virgo (the Maiden).
Simple amino acid supplement greatly reduces Alzheimer’s damage - Researchers discovered that the common amino acid arginine can block harmful Aβ aggregation and reduce its toxic effects in Alzheimer’s disease models.
Scientists shrink 3-D printing so it can work inside cells - The new tech created barcodes, micro-lasers and a tiny elephant — all in living cells.
A drug already in trials may stop chemotherapy nerve damage - Researchers discovered that chemotherapy can accidentally trigger a stress alarm in immune cells, causing inflammation that damages nerves.
Mysterious galaxy trapped in 'the void' keeps churning out stars without fuel. Scientists are stumped. - Researchers are puzzled as to how the dwarf galaxy NGC 6789 continues to make new stars, despite being stuck in the gas-famished Local Void.
James Webb Space Telescope spots a gassy baby galaxy throwing a tantrum in the early universe - The astronomers estimate that this galaxy will deplete itself of gas in only a few hundred million years.
How to see a rare conjunction of Mercury and Venus this month - The inner planets Mercury and Venus will both be visible in the east-southeast sky before sunrise on Tuesday, Nov. 25.
Scientists reveal kissing began millions of years before humans - Scientists have traced kissing back to early primates, suggesting it began long before humans evolved.
This engineered fungus cuts emissions and tastes like meat - Scientists used CRISPR to boost the efficiency and digestibility of a fungus already known for its meatlike qualities.
Students 'anxious but hopeful' at mock COP30 talks - Students played the roles of different countries, made speeches, and "negotiated" to strike deals.
Japanese spacecraft faces a massive challenge from a house-size asteroid - New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought.
SpaceX launches the 100th mission of the year from Florida's Space Coast (video) - SpaceX launched 29 of its Starlink internet satellites tonight (Nov. 20), on the 100th mission of the year to take off from Florida's Space Coast.
Century-old catalysis puzzle cracked by measuring a fraction of an electron - Scientists have directly measured the minuscule electron sharing that makes precious-metal catalysts so effective.
“Living Fossil” Discovered by Accident Could Reshape Tree of Life - Meet the miniscule protist harboring jaw-dropping evolutionary secrets The post “Living Fossil” Discovered by Accident Could Reshape Tree of Life appeared first on Nautilus .
Scientists reveal what triggered Santorini 'earthquake swarm' - Thousands of earthquakes were caused by magma "pumping through" Earth's crust for three months, they say.
India's delayed action plan raises eyebrows at COP30 climate summit - India says it has met a key target of its previous climate action plan, but many say it needs to do more.
Lions Have Been Keeping One of Their Roars Secret - Scientists identify a new call issued by the King of the Jungle The post Lions Have Been Keeping One of Their Roars Secret appeared first on Nautilus .
Newly Discovered Lion Roar Shows the Species Is More Complex Than We Thought - Learn how scientists uncovered a second, overlooked lion roar — and why the finding could reshape efforts to track and protect the species.
Scientists discover new type of lion roar - Researchers used artificial intelligence to analyze more than 3,000 recordings of African lions and found that the animals have an "intermediate" roar as well as a "full-throated" roar.
Should I wait for Black Friday to get a streaming subscription? - With Black Friday 2025 fast approaching, is it worth waiting for the sales event in the hope of a streaming deal appearing, or should you subscribe now?

November 20, 2025

Where Was the Big Bang? - Let’s start out with something that we can say for certain: we live in an expanding universe.
New research uncovers hidden divide in West Coast killer whales - Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats.
Tracking Mars' Ice Ages From Space - Travelling up from Mars’s equator towards its north pole, we find Coloe Fossae: a set of intriguing scratches within a region marked by deep valleys, speckled craters, and signs of an ancient ice age.
Europa Clipper Captures Uranus With Star Tracker Camera - Description NASA’s Europa Clipper captured this image of a starfield — and the planet Uranus — on Nov. 5, 2025, while experimenting with one of its two stellar reference units.
Rocket returned, lightly used: Why Blue Origin's landed New Glenn booster is so clean - Blue Origin's New Glenn rocket remained strikingly clean and white after two trips through Earth's atmosphere last week.
This Ancient Sea Monster Had a Killer Bite and No Teeth - The Dunkleosteus was even weirder than we thought The post This Ancient Sea Monster Had a Killer Bite and No Teeth appeared first on Nautilus .
Long-Necked Titanosaur Skeletons Have Surfaced at a Dinosaur Fossil Site in Transylvania  - Learn about a fossil site in Transylvania that contains hundreds of vertebrate remains and was once an island full of dwarf dinosaurs.
The Man in the Moon Gets a New Scar - The Moon gains new craters all the time, but catching one forming is surprisingly rare.
Old Blood Pressure Drug May Hold the Key to Halt Aggressive Brain Cancer Growth - Learn how uncovering the biochemistry of a long-established blood pressure drug could make it eligible to treat brain tumors.
Seeing an Interstellar Comet Through Martian Eyes - When an interstellar comet tears through our Solar System at 250,000 kilometres per hour, pinning down its exact trajectory becomes a race against time.
Slaying 'zombie cells' in blood vessels could be key to treating diabetes, early study finds - Clearing aged cells from blood vessels could help reduce inflammation, improve blood sugar levels and counter insulin resistance, a mouse study finds.
Dogs With ADHD-Like Traits Show Surprising Improvements After a Short Nap - Learn how two new studies reveal surprising parallels between dogs’ ADHD-like behaviors and human attention patterns, and how sleep and training can help distractible dogs learn more effectively.
NASA’s Quesst Mission Marks X-59’s Historic First Flight - NASA’s X-59 quiet supersonic research aircraft took off for its historic first flight on Oct. 28, 2025, at 11:14 a.m. EDT from Lockheed Martin Skunk Works in Palmdale, California.
'Huge columns of smoke': BBC at the scene of fire at COP30 - Climate Editor Justin Rowlatt was at the UN climate talks in Brazil when a fire broke out.
NASA’s Scott Tingle to Serve as Agency’s Chief Astronaut - NASA named astronaut Scott Tingle as chief of the Astronaut Office at the agency’s Johnson Space Center in Houston, effective Nov. 10.
Moss Might Survive Nearly Two Decades in Space - These plants showed “extraordinary durability” and may pave the way for extraterrestrial agriculture The post Moss Might Survive Nearly Two Decades in Space appeared first on Nautilus .
James Webb Space Telescope spots rapidly feeding supermassive black hole in the infant universe: 'This discovery is truly remarkable.' - "This challenges our understanding of black hole and galaxy formation in the early universe."
Archaeologists discover decapitated head the Romans used as a warning to the Celts - A lone skull discovered near the walls of an ancient fort highlights the Romans' brutal treatment of their conquered foes.
Some Exoplanets Can Create Their Own Water Through Crust-Atmosphere Reactions - Exoplanets need not acquire their water from external sources like asteroids and comets.
'I don't know if CDC will survive, to be quite frank': Former CDC officials describe the disintegration of the agency under RFK - Three former CDC officials share their experiences at the agency leading up to their resignations.
'Huge columns of smoke': BBC at the scene of massive fire at COP30 - BBC at the scene of 'intense' fire at COP30
Scientists found the key to accurate Maya eclipse tables - Eclipse tables in the Dresden Codex were based on lunar tables and adjusted for slippage over time.
Jeff Bezos' Blue Origin will build a 'super heavy' version of its powerful New Glenn rocket - Blue Origin plans to build an even more powerful version of its partially reusable New Glenn rocket, which aced its second-ever launch just last week.
NASA Celebrates Five Years of Artemis Accords, Welcomes 3 New Nations - October marked the fifth anniversary of NASA and the original founders signing the Artemis Accords, as well as the recognition of Hungary, Malaysia and the
Ultrasound Technology Is Behind the World’s First Chocolate-Infused Honey - Learn how scientists have used ultrasound technology to turn one of chocolate’s biggest waste products into a nutritionally-packed additive for honey.
NASA Sets Coverage for Crew Launch to Join Station Expedition - NASA astronaut Chris Williams will launch aboard the Roscosmos Soyuz MS-28 spacecraft to the International Space Station on Thursday, Nov. 27, accompanied by
What’s Up: November 2025 Skywatching Tips from NASA - Mars and Mercury will cozy up together in the night sky just after sunset on November 12th.
Earth’s Nastiest Neighbor Was Closer Than We Thought - The Mars-size object that smashed into our planet and made the moon came from the inner solar system The post Earth’s Nastiest Neighbor Was Closer Than We Thought appeared first on Nautilus .
COP30 climate talks evacuated after fire breaks out - Thousands of people are attending the UN climate talks in Brazil.
Earth and Theia smashed to birth the moon, but did they first start out as close neighbors? - "The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.
AI helps build the most detailed Milky Way simulation ever, mapping 100 billion stars - A record-breaking number of stars has been mapped by a new model that speeds up processing time while allowing smaller scale events, such as supernova explosions, to be incorporated into the simulation alongside larger-scale galactic processes.
NASA Fuels Discovery from Earth to Sky: One Crayon at a Time - A collaboration between the NASA Earth Science Education Collaborative (NESEC) and Earth to Sky (ETS) – an exciting, growing partnership between NASA, the
Flying with whales: Drones are remaking marine mammal research - Aerial drones are giving scientists a new view of life at sea.
Comet 3I/ATLAS gallery: See NASA's long-awaited images of interstellar visitor - NASA's treasure trove of new comet 3I/ATLAS images provides hotly anticipated views of the interstellar visitor, including from Mars and the sun.
Scientists put moss on the outside of the International Space Station for 9 months — then kept it growing back on Earth - A species of moss survived for 9 months on the outside of the International Space Station, new research reveals — and 80% of the samples kept reproducing when returned to Earth.
A Star Blew A "Diamond Ring" Bubble In Space - A gaseous, dusty structure in the Cygnus X star formation region is reminiscent of a glowing diamond ring.
A Leopard Seal Mother’s Love Transcends Death - A Leopard Seal Mother’s Love: The maternal instinct known as “postmortem attentive behavior” was observed in these seals for the first time.
Theoretical framework for electrocatalysis expands clean energy production opportunities - An international study, involving researchers from the University of Tartu Institute of Chemistry, was recently published in Chemical Society Reviews.
Conductive hydrogel mimics brain softness for flexible bioelectronic devices - Bioelectronics, such as implantable health monitors or devices that stimulate brain cells, are not as soft as the surrounding tissues due to their metal electronic circuits.
Understanding bacteria's role in transforming steroids to pharmaceuticals - For decades, pharmaceutical companies have been using bacteria found in soil and water to chemically convert steroids into effective treatments for human diseases.
Spot Uranus shining at its brightest this year — here's what to expect on Nov. 21 - Uranus will appear opposite the sun in Earth's sky on Nov. 21.
Nikon Monarch M7 8x42 binocular review - These Nikon Monarch M7 8x42 binoculars are great for any stargazer looking for a budget-friendly investment.
Canon 12x36 IS III binocular review - The ideal binocular for birdwatching — the Canon 12x36 IS III binoculars are a dream.
Viking Age woman found buried with scallop shells on her mouth, and archaeologists are mystified - A ninth-century grave discovered in Norway held the remains of a Viking Age woman whose mouth was covered with two large scallop shells.
New Images of Comet 3I/ATLAS Reveal "How Magical the Universe Could Be" - Check out some of the new images NASA missions have captured of comet 3I/ATLAS as it makes its way across the Solar System.
Half of Cat Owners Open to Sustainable Pet Food Alternatives, Major Study Reveals - A survey of 1,380 cat guardians shows over half would consider sustainable food, with cultivated meat as a leading choice.
'3I/ATLAS is a comet': NASA finally releases new 3I/ATLAS images and addresses alien rumors - NASA's highly anticipated comet 3I/ATLAS images have been released, with a space agency official shooting down alien rumors and stressing that the interstellar visitor is a comet.
Watch SpaceX launch more than 100 satellites to orbit today on Transporter 15 rideshare mission - SpaceX will launch more than 100 different payloads today (Nov. 20) on the Transporter 15 rideshare mission.
Rubin Observatory peers into the 'hidden universe' and discovers stream of stars longer than our entire Milky Way - "The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden universe shapes the realms that we can see."
DAILY DOSE: Bizarre new pterosaur discovered in fossilized dinosaur vomit; Reptile “body farm” helps solve dinosaur death-pose mystery. - Paleontologists are uncovering significant fossil discoveries, revealing insights into prehistoric ecosystems, dinosaur behavior, and ancient life forms' evolution.
From stadiums to cyberspace: How the metaverse will redefine sports fandom - The metaverse enhances sports fandom by offering immersive connections to teams and athletes, while posing ethical and legal challenges that require regulatory oversight and user responsibility.
ISS astronauts see comet Lemmon 'absorbed' by aurora | Space photo of the day for Nov. 20, 2025 - It's not every day you see both a comet and an aurora from low Earth orbit.
Experience instant stargazing with one of the most versatile smart telescopes this Black Friday, with $1149 off - Waste no time with the Unistellar Odyssey Pro — a lightweight, portable smart telescope that features in our best smart telescopes guide.
Astronomers Spot "First Stars" Billions of Years After They Were Supposed to Die - Over the course of billions of years, the universe has steadily been evolving.
Metal-phase protection enables durable acidic CO₂ electroreduction to formic acid - The electroreduction of carbon dioxide (CO2) into valuable chemicals and fuels typically operates under alkaline or neutral conditions, but the carbonation side reaction causes carbon loss.
Flexible evaporation-induced generator for wearable power generation - Researchers developed a flexible evaporation-induced generator, improving energy harvesting efficiency and adaptability for wearable electronics amid environmental challenges.
Amazon says 'indeed' to a new 'Stargate' show for Prime Video - Chevron 7 is locked, as Amazon greenlights a new 'Stargate' show for Prime Video led by longtime franchise figure Martin Gero.
Dopamine signaling in fruit flies lends new insight into human motivation - Research shows dopamine desensitization affects both drug addiction and natural behavior fatigue, revealing underlying motives for loss of interest.
Could the solution to the carbon problem be carbon itself? - Can we use carbon to help decarbonize the world and transform the energy and chemical industries?
Massive hidden structures deep inside Earth may explain how life began - Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that have puzzled researchers for decades.
Fast, mysterious clouds swarm around our galaxy - Astronomers want to know the source — and importance — of these faint, fast-moving clouds that zoom beyond and toward our Milky Way’s disk.
'A forest with bonobos has never been so quiet': Most extreme case of violence in 'hippie' species recorded, with females ganging up on male in unprecedented attack - Female bonobos routinely form coalitions to stamp out threats from males, but the level of violence in this attack was unprecedented.
James Webb Space Telescope captures 'one-of-a-kind' triple star system that looks like a cosmic embryo (image) - The unique system features two rare Wolf-Rayet stars, and a supergiant companion that is interrupting the flow of the dust shells that the two Wolf-Rayet stars cast off.
Rocks Are Alive - Philip Marsden on his three greatest revelations while writing Under a Metal Sky The post Rocks Are Alive appeared first on Nautilus .
Why saving microbes may be the most important conservation effort ever - Researchers have launched the first coordinated plan to protect microbial biodiversity, calling attention to the “invisible 99% of life” that drives essential Earth systems.
Death Valley shrub rearranges its insides to thrive in one of the hottest places on Earth - Heat-loving plants that thrive in California's Death Valley could hold the key to growing crops in a changing climate.
Stream Pluribus and other great sci-fi content as Apple TV is over 50% off for 6 months in one of the best Black Friday Streaming deals available - One of the best Black Friday streaming deals has landed as Apple TV is over 50% off for six months, so you can stream Pluribus, Severance and more, for less.
Scientists grow a tiny human “blood factory” that actually works - Researchers have recreated a miniature human bone marrow system that mirrors the real structure found inside our bones.
Light has been hiding a magnetic secret for nearly 200 years - New research shows that light’s magnetic field is far more influential than scientists once believed.
Nearly 47 million Americans live near hidden fossil fuel sites - A nationwide analysis has uncovered how sprawling fossil fuel infrastructure sits surprisingly close to millions of American homes.
Blueair Blue Signature air purifier review: Powerful and elegant - Stylish and beautifully illuminated, the Blueair Blue Signature air purifier is a breath of fresh air (literally).
Nearly half of Australian adults experienced childhood trauma, increasing mental illness risk by 50 percent - A University of Sydney study found 42% of Australian adults experienced childhood trauma, leading to increased mental health risks.
Science history: Experiment shows mutations arise spontaneously, supporting pillar of Darwinian evolution — Nov. 20, 1943 - Two bacteriologists showed that mutations arise spontaneously in bacterial cultures, thereby disproving Jean-Baptiste Lamarck's theory of evolution.
Study: Kids’ drip paintings more like Pollock’s than those of adults - The splatter master was more clumsy than graceful in his movements, which are key to his distinctive style.
Turkey set to host COP31 after reaching compromise with Australia - Australia will now support the Turkish bid to host the climate talks in return for their minister chairing them.
The Rise of the Ancient Bogs - It was driven by the wind, and could tell us about the future of the climate The post The Rise of the Ancient Bogs appeared first on Nautilus .

November 19, 2025

Is LCDM Cosmology Doomed? - All of the proposals floating around out there for invoking dynamical dark energy are a little on the weak side.
NASA reveals new images of interstellar comet 3I/ATLAS from across the solar system: 'It looks and behaves like a comet' - NASA has pointed its fleet of spacecraft at comet 3I/ATLAS to collect new footage of the interstellar invader.
Earthquake Faults Can Heal Themselves In Mere Hours, Adding Power to Disastrous Quakes  - Learn how faults beneath the Earth's surface can heal themselves after slowly releasing stress from the movement of tectonic plates.
Glowing Bacteria Pills Could Replace Colonoscopies and Detect Gut Disease - Swapping colonoscopies for swallowing a pill packed with bacteria that can read the condition of our gut could revolutionize gastroenterology and seriously relieve patients.
Here’s How Rocks Heal Themselves in Deep Faults - In Earth’s cracks, slow-motion temblors rumble while the planet repairs itself The post Here’s How Rocks Heal Themselves in Deep Faults appeared first on Nautilus .
Senate to hold hearing for billionaire Jared Isaacman's re-nomination as NASA chief on Dec. 3 - The U.S. Senate will hold a hearing on Dec. 3 to consider the re-nomination of billionaire tech entrepreneur Jared Isaacman as NASA chief.
The Real Culprit Behind Easter Island’s Lost Forest Isn't Humans — It's Millions of Hungry Rats - Learn how rats, originally brought over to Easter Island as a food source, are partially to blame for the destruction of palm forests on Rapa Nui.
NASA really wants you to know that 3I/ATLAS is an interstellar comet - A rundown of what we know of the third extrasolar object we've identified.
The World’s Most-Planted Wine Grape Still Carries Signals From the 1600s - Learn how new genomic tools revealed that cabernet sauvignon preserves inherited chemical signatures dating back 400 years.
Human trash is 'kick-starting' the domestication of city-dwelling raccoons, study suggests - Raccoons that live near humans had shorter snouts than rural raccoons, a trait that tends to arise in the early stages of domestication.
The JWST Makes Some Headway Understanding Little Red Dots - Researchers using the NASA/ESA/CSA James Webb Space Telescope have confirmed an actively growing supermassive black hole within a galaxy just 570 million years after the Big Bang.
The future fate of water in the Andes - Researchers warn that Chile’s megadrought will worsen by century's end, with glaciers unable to support water needs, urging global climate action.
Linearizing tactile sensing: A soft 3D lattice sensor for accurate human-machine interactions - Researchers developed a novel 3D iontronic tactile sensor that enhances tactile sensing in humanoid robots, overcoming compliance and response challenges.
Ancient Steppe Settlement Hides Evidence of Industrial-Level Bronze Production 3,500 Years Ago - A grand Bronze Age settlement in today’s Kazakhstan tells one of humanity’s most important stories — the shift from a nomadic to a settled lifestyle.
Interstellar comet 3I/ATLAS shines in new image captured after close pass by the sun (photo) - "For me, it is particularly interesting to see how such an interstellar object evolves."
6 things you might have missed in the new 'Fallout' Season 2 trailer (video) - All roads lead to New Vegas as Prime Video's sci-fi series returns Dec. 17.
The moon is farther from Earth tonight than it will be until 2043 - The most distant moon since March 2020 takes to the sky today, but you won't be able to see it.
We've Long Thought The Surface Area Of A Black Hole Can't Decrease. Now We Have Data To Back It Up. - Observations of a merging black hole further supports the Area Theorem of black hole thermodynamics, which states that the event horizon of a black hole produced by two merging black holes must have a surface area no less than the areas of the original two.
Rocket Lab launches hypersonic test flight for US military (photo) - Rocket Lab launched its HASTE suborbital vehicle for the sixth time ever on Tuesday (Nov. 18), sending several test payloads up for the U.S. military.
'Predator: Badlands' remembers that action movies should be fun - The latest 'Predator' is a fun throwback to the '80s and '90s, when silliness and comedy were a key part of the action formula
US could lose its measles elimination status within months, experts say - With 45 outbreaks of measles over the past year, the United States is at risk of endemic spread within months, experts told Live Science.
The US is on track to lose its measles elimination status in months. RFK needs to go. - Canada has lost its measles elimination status and the U.S. is likely to be next.
Fly high with this low price on the DJI Mini 4K drone, now 21% cheaper in an early Black Friday drone deal - We rate the DJI Mini 4K as our best beginner drone, but it's even better when you buy it with these handy accessory packs, with savings of at least 20%
Pilot captures jaw-dropping northern lights show from 36,000 feet (photos) - When a severe G4 geomagnetic storm hit, this Dreamliner pilot had the perfect front-row seat.
DeepMind’s latest: An AI for handling mathematical proofs - AlphaProof can handle math challenges but needs a bit of help right now.
Honeywell Designer Series HPA830 air purifier review: The power of simplicity - This air purifier's air-cleaning performance gets top marks, but we think it lacks modern looks and fancy features.
Cosmic Paradox Reveals the Awful Consequence of an Observer-Free Universe - Encouraged by successes in understanding black holes, theoretical physicists are applying what they’ve learned to whole universes.
Diagnostic dilemma: Woman had her twin brother's XY chromosomes — but only in her blood - Doctors discovered a woman had "blood chimerism" after examining the chromosomes of cells from different parts of her body.
Emerald green degradation in masterpieces: Scientists identify the culprits - An international team of researchers have found what triggers degradation in one of the most popular pigments used by renowned 19th and 20th century painters.
Comet C/2025 K1 (ATLAS) breaks apart in incredible telescope photos - Astronomer Gianluca Masi captured breathtaking imagery of solar system comet C/2025 K1 (ATLAS) breaking into multiple pieces after being warmed by the sun.
How Louvre thieves exploited human psychology to avoid suspicion—and what it reveals about AI - For humans and AI, when something fits the category of “ordinary,” it slips from notice.
Private mission to save NASA space telescope will launch in 2026 on a rocket dropped from a plane - Katalyst Space Technologies will use Northrop Grumman's air-launched Pegasus rocket for its upcoming mission, which will send a spacecraft to boost the orbit of NASA's Swift space telescope.