Today's Science News
December 26, 2025
Your Search Terms May Be Reinforcing Your Beliefs, New Study Finds - A study from Tulane University reveals the "narrow search effect," where online searches reinforce existing beliefs instead of challenging them, highlighting implications for belief polarization across various societal issues.These Slimy Fish May Have Helped Us Hone Our Sense of Smell - Sophisticated scent seems to have evolved earlier than previously thought
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Dark matter may be made of pieces of giant, exotic objects — and astronomers think they know how to look for them - Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.
How Free Black Newtown Survived Through Strategic Clustering: A Kwanzaa Reflection on Historical Evidence - In 1850s Newtown, Queens, Free Black families clustered for survival, forming networks that ensured mutual aid and economic cooperation, countering systemic exclusion and maintaining cultural unity through strategic residential proximity.
Call Your Grandparents This Holiday Season—for Their Health - Everyday conversations across generations may boost older adults’ sense of purpose
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Scientists Are No Closer to Finding a Cure For the Common Cold — Here’s Why - Learn more about the common cold, the viruses that cause it, and why it’s so difficult to find a vaccine for it.
Spinosaurus relative longer than a pickup truck stalked Thailand's rivers 125 million years ago - A large fish-eating dinosaur died beside a river 125 million years ago in Cretaceous Thailand.
Most normal matter in the universe isn't found in planets, stars or galaxies – an astronomer explains where it's distributed - While space is often referred to as a vacuum, it isn't completely empty.
The Tiny Black Piranha Has a Bite Force of 70 Pounds — How Is This Possible? - Learn more about piranhas, why they have such a powerful bite, and why there are so many misconceptions around them.
New electrochemical method splits water with electricity to produce hydrogen fuel — and cuts energy costs in the process - Scientists adapted a method that can produce double the amount of hydrogen when splitting water molecules with electricity.
The best streaming device out there: Which one comes out on top — Amazon Fire TV Stick, Roku Ultra, Apple TV and Google TV Streamer? - Who reigns supreme out of the Amazon Fire TV Stick, Roku Ultra, Apple TV and Google TV Streamer?
Uranus and Neptune may be 'rock giants,' not 'ice giants,' new model of their cores suggests - A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.
Mindfulness may help people disconnect from their smartphones - Researchers examine problematic smartphone use, suggesting mindfulness techniques to mitigate dependence and improve mental well-being in users.
Diagnostic dilemma quiz: Can you guess the diagnosis in these strange medical cases? - Based on our "Diagnostic Dilemma" series, this quiz tests your medical know-how.
The best sci-fi and space games of 2025, ranked - As another year comes to an end, we sit down and collect our thoughts on the best sci-fi and space video games of 2025.
One of World’s Rarest Cats Has Finally Resurfaced - Behold the first sightings of a flat-headed cat in Thailand in 30 Years
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Longtime United Launch Alliance CEO Tory Bruno resigns from space company. 'Finished the mission I came to do.' - Tory Bruno is leaving ULA to pursue new opportunities, the company said.
Studying Physics in Microgravity - In this Oct. 20, 2025, photo, tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, conducted inside the Microgravity
No, Vikings Didn’t Have Horns On Their Helmets — Here’s The True Origins of the Myth - Learn more about the Vikings, their lifestyle, and where the stereotypical horned helmet originated from.
1.5 million-year-old Homo erectus face was just reconstructed — and its mix of old and new traits is complicating the picture of human evolution - A never-before-seen Homo erectus face reveals a complex picture of early human evolution.
Space Force Guardians show off shiny new duds | Space photo of the day for Dec. 26, 2025 - It marks the first time newly commissioned Space Force Guardians have graduated Officer Training School (OTS) wearing this uniform.
Before We Build on the Moon, We Have to Master the Commute - Even most rocket scientists would rather avoid hard math when they don’t have to do it.
10 things we learned about our human ancestors in 2025 - Findings about our human ancestors continue to surprise us, especially those from 2025.
New research reveals chemical process that may have sparked life on Earth - University of Alberta scientists discovered abiotic nitrogen reduction, crucial for life’s origins, occurring at hydrothermal vents, aiding Earth's early conditions.
The easiest constellations for beginners to spot in winter (and what you need to see them) - From Orion and Taurus to Auriga and Perseus, here are 10 easy sets of stars to find in the Northern Hemisphere’s winter night sky.
The world's 'hidden' volcanoes pose the greatest risk for global crisis - A dormant volcano in Ethiopia erupted after 10,000 years of silence.
See the moon shine with Saturn in the southern sky after sunset Dec. 26 - Don't miss the moon glowing with Saturn in the southern sky in the hours following sunset on Dec. 26, one day ahead of its first quarter phase.
Post-Party Depression: Why Holiday Socializing Can Feel Like a Hangover - Learn why socializing, especially around the holidays, can leave you feeling a bit down.
Iron-deficient diet prevents lung cells from fighting the flu - Columbia University researchers found early life iron deficiency hinders lung immune cells' viral response, impacting long-term immunity despite restored iron levels.
Coconucos volcanic chain: Colombia's stunning cluster of volcanoes, lost in an otherworldly landscape - The Coconucos volcanic chain is a mountain ridge dotted with at least 14 volcano craters, including one that is active and erupted in December 2025.
Genetic advances puts better Wagyu marbling on the menu - Researchers from the University of Adelaide’s Davies Livestock Research Centre (DLRC) have described the most complete cattle genome yet, in a study that will lead to improvements in Wagyu breeding and result in better beef marbling.
The most exciting exoplanet discoveries of 2025 - New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown.
What should I look at with my new telescope? - From the moon and Jupiter to famous nebulae and galaxies, here’s your beginner-friendly guide to what to point your brand-new telescope at.
Why some people keep making the same bad decisions - Everyday sights and sounds quietly shape the choices people make, often without them realizing it.
Flat-headed cat not seen in Thailand for almost 30 years is rediscovered - Conservationists are celebrating the rediscovery of flat-headed cats in Thailand after camera traps recorded the endangered feline for the first time in almost 30 years.
Enzyme that controls both weight gain and cholesterol levels in animal models - A new study identifies enzyme SCoR2, which regulates fat synthesis by removing nitric oxide; inhibiting it could treat obesity and cardiovascular issues.
Science history: Marie Curie discovers a strange radioactive substance that would eventually kill her — Dec. 26, 1898 - Scientists in Paris discovered two new substances with incredible radioactivity.
How did COVID-19 change urban traffic? - Researchers at NUS developed interpretable machine learning models to predict traffic congestion during COVID-19, revealing significant behavioral changes in travel patterns.
This common food ingredient may shape a child’s health for life - Scientists discovered that common food emulsifiers consumed by mother mice altered their offspring’s gut microbiome from the very first weeks of life.
How we decide when to shut out information and when to insist on knowing it all - A study reveals people avoid or seek information to manage emotions, balancing the pain of knowing against uncertainty in decision-making.
A strange star near a black hole is defying expectations - Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing clues of a dramatic cosmic history.
How Earth endured a planet-wide inferno: The secret water vault under our feet - When Earth was a molten inferno, water may have been locked safely underground rather than lost to space.
December 25, 2025
A surprising brain cleanup reduced epileptic seizures and restored memory - A new study suggests temporal lobe epilepsy may be linked to early aging of certain brain cells.Back from the dead: “Extinct” fish rediscovered in a remote Bolivian pond after 20 years - A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat destruction.
NASA’s Colorful Cosmic Map Could Shed Light on First Moments After Big Bang - Learn how in just six months, the NASA team has mapped the entire universe in 102 colors.
Titan’s Subterranean Liquid Oceans May Actually Be Slush - Learn more about Saturn's largest moon, Titan, and the mysteries that lurk beneath its icy surface.
Last of its kind dodo relative spotted in a remote Samoan rainforest - The manumea, a critically endangered ground pigeon and one of the closest living dodo relatives, has been spotted multiple times in a remote Samoan rainforest.
Neuroscience word search — Find all the parts of the brain - How well do you know that organ between your ears?
The Problem With Vaccination Shortfalls in Livestock - Global rates are too low to prevent disease spread
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From record warming to rusting rivers, 2025 Arctic Report Card shows a region transforming faster than expected - Overall, the Arctic is warming more than twice as fast as the Earth as a whole.
Yellowstone Is One of the World’s Largest Magmatic Systems – And It May be Missing a Key Volcanic Gas - Learn why Yellowstone mysteriously does not produce sulfur dioxide, and what it means for volcanic unrest.
Ancient eyes on the skies: Early astronomers quiz - Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity.
Google's proposed data center in orbit will face issues with space debris in an already crowded orbit - As a space scientist, I predict that the company will soon have to reckon with a growing problem: space debris.
Hidden Molecules in Animal Fossil Reveal How the Ancient World Looked - Learn more about the hidden molecules uncovered in animal fossils from an ancient human site, and the new view they give us of that ancient world.
Archaeological artifacts should not be for sale in thrift shops. But putting them in a museum is harder than it sounds. - Archaeologists discovered artifacts for sale in a thrift shop.
Roman around the Christmas tree | Space photo of the day for Dec. 25, 2025 - All the NASA engineers and scientists need is a star on top of the telescope in the cleanroom.
Astronauts beam home Christmas wishes from International Space Station: 'I think we may be orbiting a little higher than Santa' (video) - They won't be home for Christmas, but astronauts in space are finding their own way to make the season bright.
This popular painkiller may do more harm than good - Tramadol, a popular opioid often seen as a “safer” painkiller, may not live up to its reputation.
Oceans are supercharging hurricanes past Category 5 - Deep ocean hot spots packed with heat are making the strongest hurricanes and typhoons more likely—and more dangerous.
Christmas 2025 skywatching guide: What you can see in the night sky on Dec. 25 - The night sky is the Christmas gift that just keeps giving.
Astronomers discover one of the Universe’s largest spinning structures - Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.
A Christmas tree 80 light-years wide appears in space - This Christmas, astronomers are highlighting a spectacular region of space that looks remarkably like a glowing holiday tree.
Science history: James Webb Space Telescope launches — and promptly cracks our view of the universe — Dec. 25, 2021 - The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away.
Scientists found a way to restore brain blood flow in dementia - A new study suggests that dementia may be driven in part by faulty blood flow in the brain.
What are asteroids really made of? New analysis brings space mining closer to reality - Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources.
New technology eliminates “forever chemicals” with record-breaking speed and efficiency - A new eco-friendly technology can capture and destroy PFAS, the dangerous “forever chemicals” found worldwide in water.
'Gospel stories themselves tell of dislocation and danger': A historian describes the world Jesus was born into - The modern Christmas themes of peace and joy were in short supply amid the ‘dislocation and danger’ of ancient Judea – as they are in today’s fractured world too.
December 24, 2025
What old, dying stars teach us about axions as a candidate for dark matter - The axion could be a contender to explain the mystery of dark matter.Why We Sometimes Avoid the Truth — and Other Times Can’t Stop Seeking It - Learn how the brain weighs emotional strain when deciding whether to seek information — or shut it out.
UCS Millennium Falcon versus UCS Death Star: Which is the best Lego Star Wars set? - The two largest and most expensive Lego Star Wars sets available go head-to-head: The UCS Millennium Falcon and the UCS Death Star.
What an Ancient Sea Anemone Reveals About the Origins of Animal Complexity - Learn how mapping gene-control switches in an ancient sea anemone reveals how identical DNA can produce many different cell types.
When the Mind Goes Blank — What Happens When Your Brain Briefly Goes Offline - Learn how brain recordings reveal a distinct state in which conscious awareness briefly drops out — even while people remain awake.
60,000 feet above Earth, NASA is hunting for the minerals that power phones, EVs and clean energy - The microwave-sized sensor detects 'spectral fingerprints' of important minerals.
Thirdhand Smoke Could Turn Your Home Into a Source of Chronic Chemical Exposure - Learn more about “thirdhand smoke” and how it keeps polluting homes, and your lungs, long after smoking stops.
'What the heck is this?' James Webb telescope spots inexplicable planet with diamonds and soot in its atmosphere - Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.
First-ever 'superkilonova' double star explosion puzzles astronomers - A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova."
What a Mosquito’s Lunch Tells Us About the Ecosystem - A clever trick borrowed from Jurassic Park
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Record launches, reusable rockets and a rescue: China made big strides in space in 2025 - China overcomes human spaceflight emergency and makes leaps with lunar hardware tests
We now know much more about how our ancestor 'Lucy' lived — and died - Fifty years after a fossil skeleton of Australopithecus afarensis was unearthed in Ethiopia, we know so much more about how this iconic species lived and died.
'It won’t be so much a ghost town as a zombie apocalypse': How AI might forever change how we use the internet - AI slop, chatbots and agentic AI are changing the internet, and could transform it beyond recognition, experts say.
The Size of Our Galaxy Stretches Tens of Thousands of Light Years Across, But Its Height Is Rather Small - What's the size of the Milky Way galaxy?
'Dracula's Chivito' looks stunning in this tasty Christmas photo from the Hubble Telescope - Using the Hubble space telescope, astronomers have imaged "'Dracula’s Chivito" the largest site of planetary birth ever seen.
NASA's Apollo 8 moonshot saved 1968. Could Artemis 2 do the same in 2026? - On Christmas Eve 1968, the Earth received a message from astronauts on a mission like no other - the first around the moon.
Guess the number quiz: Can you work out these scientific numbers and constants and top the leaderboard? - Do you know your mathematical equations from your scientific constants?
An AI-based blueprint for designing catalysts across materials - Hydrogen peroxide is widely used in everyday life, from disinfectants and medical sterilization to environmental cleanup and manufacturing.
Remember the time Predator faced off against Santa's reindeer – and lost? - The reindeer ain't got time to bleed.
Those Orcas Wearing Salmon Hats? It Might Not Be as Cute as You Think - Learn why killer whales sometimes wear dead salmon on their heads, and what that might mean.
Santa Visits Artemis II Rocket - Santa Claus (NASA engineer Guy Naylor) poses with NASA’s Artemis II Orion spacecraft and SLS (Space Launch System) rocket in the Vehicle Assembly Building at
'Biological time capsules': How DNA from cave dirt is revealing clues about early humans and Neanderthals - DNA from soil could soon reveal who lived in ice age caves, research shows.
NASA satellite gazes into Medusa Pool | Space photo of the day for Dec. 24, 2025 - The South Sandwich Islands were born from a tectonic collision, forged by volcanism and relentlessly reshaped by ice, wind and waves.
New tests could nearly halve the rate of late-stage cancers, some scientists say — is that true? - Blood tests that look for over a dozen cancers are being developed.
The 9 best things to see in the night sky with binoculars from November 2025 to January to 2026 - Discover the highlights of the Northern Hemisphere’s winter night sky with our guide to the top celestial sights to enjoy through binoculars between November 2025 and January 2026.
The biggest black hole breakthroughs of 2025 - 2025 was another big year for black holes, and here's our pick of the top black hole stories from the last twelve months.
Diagnostic dilemma: A man's bladder looked like a Christmas tree - In an unusual case, a man's bladder swelled dramatically at its base, taking the shape of a Christmas tree.
The Most Beautiful Science of the Year - Insights from Nautilus in 2025
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Crop loss deepens food insecurity across Africa - New modelling shows climate shocks and pests are driving crop losses across Africa, with rising costs for farmers and food systems.
Scientists reverse Alzheimer’s in mice and restore memory - Alzheimer’s has long been considered irreversible, but new research challenges that assumption.
Scientists boost mitochondria to burn more calories - Researchers have developed experimental drugs that encourage the mitochondria in our cells to work a little harder and burn more calories.
What you eat could decide the planet’s future - What we put on our plates may matter more for the climate than we realize.
Why consciousness can’t be reduced to code - The familiar fight between “mind as software” and “mind as biology” may be a false choice.
'Never move around a flaming dessert': A scientist explains the chemistry of a Christmas pudding - Christmas means different things to different people.
AI supercharges scientific output while quality slips - AI writing tools are supercharging scientific productivity, with researchers posting up to 50% more papers after adopting them.
We are living in a golden age of species discovery - The search for life on Earth is speeding up, not slowing down.
Scientists say evolution works differently than we thought - A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true.
This Big Space Sandwich Broke a Record - A particularly massive and chaotic baby planetary system captured in exquisite detail
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Saturn’s Rings Are Thicker Than We Thought - New research points to a wide band of particles, invisible to telescopes
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December 23, 2025
Your roommate’s genes may be shaping your gut bacteria - Scientists studying thousands of rats discovered that gut bacteria are shaped by both personal genetics and the genetics of social partners.Americans Don’t Seem to Enjoy Negotiating - Even when they have to pay more to avoid it
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Childhood Games Like Super Mario Bros. Can Boost Happiness and Reduce Burnout - Learn why playing classic video games, like Super Mario Bros. and Yoshi, can help young adults fight burnout and chronic stress.
Russia patents space station designed to generate artificial gravity - According to the patent, habitable modules would rotate around a central axis to simulate gravity for crew by producing an outward-pushing centrifugal force.
Ancient DNA Uncovers Startling Family Secret of a 3,500-Year-Old Bronze Age Community - Learn more about the people who once used Grotta della Monaca as a sacred burial site.
10 most expensive Lego Star Wars sets available right now - In a galaxy not so far away, Lego sets can be VERY expensive: Here are the most expensive Lego Star Wars sets you can currently buy.
Before trips to Mars, we need better protection from cosmic rays - Outside Earth's protection, space travellers will be routinely exposed.
Earth's seasons vary wildly, even at the same latitude, new research finds - Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals.
18,000 years ago, ice age humans built dwellings out of mammoth bones in Ukraine - Some people in Ukraine weathered the harshest moments of the last ice age by creating shelters made partly of mammoth bones and tusks.
Santa's sleigh or the International Space Station? How to spot a bright Christmas flyby Dec. 24 and 25 - Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just happens to coincide with an ISS flyby.
Get In, We’re Going Moonbound: Meet NASA’s Artemis Closeout Crew - For most, getting into a car is a task that can be done without assistance.
Meet 14 of the New and Unusual Species of 2025 — From Death Ball Sponges to Pumpkin Toads - Learn more about the most exciting species found around the world in 2025, from the deep sea to the western Himalayas.
Smiling Through the Holidays Can Instantly Change How People See You - Learn how smiling — and mimicking other people’s smiles — can make you seem more trustworthy and confident.
Northern lights chances rise for Christmas as space weather remains unsettled - Fast solar wind and a possible glancing blow from a coronal mass ejection could spark auroras over Christmas.
Interstellar comet 3I/ATLAS reveals weird wobbling jets in rare sun-facing tail - 3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers.
Government waters down inheritance tax plan for farms - The government has now said it will lift the intended threshold from £1m to £2.5m.
Tiny implant 'speaks' to the brain with LED light - By directly communicating with the brain, a new wireless device could someday help restore lost senses or manage pain without medications, its developers say.
Artemis II Crew Launch Day Rehearsal - From left to right, CSA (Canadian Space Agency) astronaut Jeremy Hansen and NASA astronauts Christina Koch, Victor Glover, and Reid Wiseman stand outside
Artemis II Flight Crew, Teams Conduct Demonstration Ahead of Launch - NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year.
Indian rocket launches record-breaking BlueBird 6 smartphone satellite to orbit (video) - An Indian LVM3 rocket successfully launched the massive BlueBird 6 smartphone satellite for AST SpaceMobile to orbit on Tuesday night (Dec. 23).
We didn't find answers in 2025, but UFO researchers say the search continues - Despite years of whistleblowers testifying before Congress, there seems to have been a bottleneck in getting to the bottom of the UAP issue in 2025.
Cats meow more at men to get their attention, study suggests - A small study reveals that cats greet male owners more vocally than female ones.
See the 100,000th photo of Mars taken by NASA's groundbreaking Red Planet orbiter - NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its high-definition camera.
NASA’s Hubble Reveals Largest Found Chaotic Birthplace of Planets - Astronomers using NASA’s Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young star.
I Am Artemis: Grace Lauderdale - Listen to this audio excerpt from Grace Lauderdale, exploration project manager for the Training Systems Office at NASA Johnson:
How 2025 became the year of comet: The rise of interstellar 3I/ATLAS, an icy Lemmon and a cosmic SWAN - Highlights from a cometary trio that captured our imaginations.
The Earth Is Round, and Is Also a Shifting, Squashed Spheroid - Learn how we know the Earth is round, and the science behind the shape of our gravitational field.
Artemis 2 moon rocket gets 'America 250' paint job | Space photo of the day for Dec. 23, 2025 - The "America 250" logo commemorates the upcoming 250th anniversary of the signing of the Declaration of Independence.
Why Africa’s outbreak warnings still arrive too late - One Health surveillance must cut across all sectors and cover hard-to-reach places, writes Paul Adepoju.
'A huge surprise': 1,500-year-old church found next to Zoroastrianism place of worship in Iraq - A 2,000-year-old palace in the Republic of Georgia and a 1,500-year-old church in Iraq suggest Zoroastrians coexisted with people of other religions.
Webb Spots the 'Smoke' from Crashing Exocomets Around a Nearby Star - The James Webb Space Telescope (JWST) was involved in yet another first discovery recently available in pre-print form on arXiv from Cicero Lu at the Gemini Observatory and his co-authors.
'This is our future,' climate adviser warns as 2025 to break heat records - The Met Office says that 2025 is likely to be the UK's hottest year since records began.
Physicists found a way to make thermodynamics work in the quantum world - More than 200 years ago, Count Rumford showed that heat isn’t a mysterious substance but something you can generate endlessly through motion.
Graphene supercapacitor breakthrough could boost energy storage in future EVs and other household devices - A new material called multiscale reduced graphene oxide could mean faster charging and power delivery than traditional batteries allow.
Doomed SpaceX Starlink satellite photographed from orbit - We just got a great up-close look at a SpaceX Starlink satellite that recently suffered an anomaly in orbit, thanks to Vantor's WorldView-3 spacecraft.
Best targets to observe between Christmas and New Year 2025 - From a crescent moon and a 'Christmas Star' to deep sky delights, the wonders of the holiday night sky are yours to explore.
Converting CO₂ into valuable chemicals in acidic environments: Iodide ions unlock efficient ethylene production - The emission of carbon dioxide (CO₂) is one of the primary factors contributing to air pollution and climate change on Earth.
MIT scientists strip cancer of its sugar shield - Scientists at MIT and Stanford have unveiled a promising new way to help the immune system recognize and attack cancer cells more effectively.
Dinosaur bones found almost on top of each other in Transylvania - Scientists exploring Romania’s Hațeg Basin have discovered one of the densest dinosaur fossil sites ever found, with bones lying almost on top of each other.
Rare dusting of snow covers one of the driest places on Earth and shuts down massive radio telescope — Earth from space - A satellite photo from July shows intricate snowy stripes painted across the Atacama Desert in Chile.