Researchers propose a revolutionary link between time and dark energy, suggesting that the mysterious force driving the universe's expansion may be used to measure time. The study could pave the way for groundbreaking new fundamental theories and breakthroughs in our understanding of the universe.
The Magellan Adaptive Optics Xtreme (MagAO-X) instrument observed two young planets orbiting PDS 70, revealing compact rings of dust and startling changes in brightness. The team believes these features are telltale signs of the planet's turbulent youth.
Astronomers from Niigata University and The University of Tokyo discovered two enigmatic interstellar objects rich in interstellar ices containing water and organic molecules. The ALMA telescope revealed compact distributions of molecular emission lines, indicating kinematically independent objects at different distances. These unusual...
A new collaboration between ASU, MSU, and LLNL aims to answer the question of how planets form by analyzing the atmospheres of seven young exoplanets. The team will use the James Webb Space Telescope and powerful computers to create atmospheric models that can reveal insights into planetary formation and evolution.
New ESO observations have reduced the likelihood of a 2024 YR4 asteroid impact on Earth in 2032 to nearly zero. The asteroid's orbit was closely monitored with multiple telescopes, and precise measurements were made using ESO's VLT, allowing astronomers to constrain its orbit and rule out an impact.
Researchers from Politecnico di Milano and Georgia Tech analyzed NASA's DART mission to asteroid Dimorphos, revealing a viable mechanism for ejecta evolution and understanding the impact of an asteroid's shape on deflection. The studies suggest that sending multiple smaller impactors can increase the asteroid push while reducing costs.
Scientists discovered a rare binary system consisting of a massive Be star and a compact white dwarf, with the Einstein Probe catching the X-ray signal from its initial flare-up to its fading away. The analysis revealed clues about the elements present in the exploding material, including nitrogen, oxygen, and neon.
Astronomers have mapped the 3D structure of an exoplanet's atmosphere for the first time, revealing a unique climate with powerful winds carrying chemical elements like iron and titanium. The discovery opens the door for detailed studies of alien worlds' weather patterns.
The ESO's VISTA telescope captures the colourful extravaganza of RCW 38, a young star cluster located 5500 light-years away. The image reveals vibrant pink hues from gas clouds and multi-coloured dots representing young stars.
NASA has successfully integrated its deployable aperture cover sunshade with the outer barrel assembly of the Roman Observatory, enhancing the telescope's ability to detect faint light from across the universe. The integration marks a significant milestone in the mission's assembly and testing phase.
The Euclid space telescope has discovered a stunning Einstein ring in the galaxy NGC 6505, showcasing rare gravitational lensing effects. This remarkable finding demonstrates the power of Euclid's high-resolution instruments and provides new insights into the expansion of the Universe.
The Hubble Space Telescope has captured a cosmic bullseye, revealing eight visible rings and confirming a ninth using data from the W. M. Keck Observatory in Hawaii. The galaxy's unique ring structure was formed by a blue dwarf galaxy colliding with its center, creating a new generation of stars.
The Hubble Space Telescope has captured a panoramic view of the Andromeda Galaxy, unveiling hundreds of millions of stars and providing new clues to its evolutionary history. The galaxy's unique structural features, such as coherent streams of stars, suggest a more active recent star formation and interaction history than the Milky Way.
A team of astronomers has obtained detailed images of a small galaxy and its surroundings, revealing features typically associated with larger galaxies. The study found that the mechanisms fueling galaxy growth may be more universal than previously thought, suggesting that even dwarf galaxies can build stellar halos through accretion.
TEGO's three-dimensional tetrahedral structure improves stability and reliability through redundancy and stable center of mass. The configuration also enables the detection of six polarization modes simultaneously, expanding our understanding of gravitational waves.
NASA has successfully integrated its Nancy Grace Roman Space Telescope's payload into the Roman spacecraft, paving the way for transformative cosmic observations. The telescope will undergo extensive testing to ensure proper function and performance in space.
Researchers observed a galaxy nearly 6.5 billion light-years away, revealing a large number of individual stars made visible through gravitational lensing. The discovery provides new insights into the universe's greatest mysteries, including dark matter and stellar populations.
Astronomers at MIT used a novel technique to determine the precise location of a fast radio burst, finding it likely originated from the magnetosphere around a rotating neutron star. The study provides conclusive evidence that fast radio bursts can emerge from this highly magnetic environment.
Researchers identified a group of unusual objects emitting long-duration outbursts of X-rays, which may be caused by binary star systems with white dwarfs and subgiant stars. The discovery of millinovae could provide insights into the astrophysics of Type Ia supernovae.
Astronomers have discovered the first binary star orbiting close to Sagittarius A*, a supermassive black hole at the centre of our galaxy. This finding provides new insights into how stars survive in extreme environments and could pave the way for detecting planets near black holes.
The Event Horizon Telescope has taken detailed measurements of a galaxy's supermassive black hole and its powerful jets. The research reveals strong magnetic fields close to the event horizon and estimates their strength, consistent with previous estimates.
A team of scientists captured an astonishing image of a gamma-ray flare emanating from the supermassive black hole at the center of galaxy M87. The flare was tens of millions of times larger than the event horizon and lasted about three days, providing crucial insights into particle acceleration near black holes.
A new study reveals that sun-like stars experience superflares approximately once per century, releasing massive amounts of energy in short periods. This finding suggests that the Sun's long-term behavior may be more frequent than previously thought, with implications for forecasting dangerous space weather.
Scientists have discovered birth sites of gigantic elliptical galaxies, suggesting large gas flows and galaxy collisions created these ancient systems. The research, published in Nature, may finally unravel the enigma of how these giant galaxies formed.
Astronomers have discovered a fourth planet in the unusual Kepler-51 system, which consists of three ultra-low density 'super-puff' planets. The new planet, Kepler-51e, has a mass similar to the other three and follows a circular orbit of approximately 264 days.
The final data release from NASA's NEOWISE mission encompasses over 26 million images and nearly 200 billion sources detected by the telescope. The new images showcase the full-sky coverage of the survey, revealing previously unseen regions of cosmic dust where stars are born.
The telescope will focus cosmic light and send it to Roman's instruments, revealing billions of objects in space. The assembly underwent rigorous tests simulating launch conditions, temperature control, and gas handling.
A computer modeling study found that glacial isostatic adjustment caused downward movements in the eastern US, while upward movements occurred in eastern Canada, contributing to relative sea-level rise. The research will help generate maps for aquifer management and inform decisions on sea-level rise impacts.
The Dark Wolf Nebula, located 5300 light-years from Earth, is a cold cloud of cosmic dust that obscures the light of stars and other objects. The image, captured by the VLT Survey Telescope, showcases the nebula's ghost-like presence against a bright background, highlighting its unique features.
Researchers at Chalmers University of Technology have developed a system that uses a silent amplifier and record-sensitive receiver to pave the way for faster and improved space communication. The system opens up new communication opportunities in space, allowing for error-free data transmission over long distances.
A University of Washington-led study suggests that rocky planets orbiting M-dwarf stars can maintain stable atmospheres over time, enhancing the chances of supporting life. The James Webb Space Telescope has observed hotter planets without significant atmospheres, but temperate planets in the 'Goldilocks zone' may have stable atmospheres.
The Great Red Spot on Jupiter is not as stable as initially thought, with observations from NASA's Hubble Space Telescope showing it jiggles like a bowl of gelatin. The GRS's size oscillates as it accelerates and decelerates, pushing against windy jet streams.
Astronomers have reduced concerns about a potentially hazardous asteroid swarm near Earth after discovering fewer large space rocks than previously thought. The study found only a handful of asteroids, likely less than 14, that fit the large size class, suggesting a smaller parent object and reducing the risk of extinction-level events.
The TESS mission has discovered a rare stellar triplet system with twin stars orbiting each other every 1.8 days, and a third star that circles the pair in just 25 days. The discovery sets a new record for the shortest outer orbital period of this type of system.
Astronomers using NASA's Hubble Space Telescope discovered that the blowtorch-like jet from a supermassive black hole at the core of a huge galaxy causes stars to erupt along its trajectory. The finding suggests that there is something missing from our understanding of how black hole jets interact with their surroundings.
The European Southern Observatory's VISTA telescope has created the largest infrared map of the Milky Way, comprising over 200,000 images and covering an area equivalent to 8600 full moons. The dataset contains about 10 times more objects than a previous map released in 2012, including newborn stars, globular clusters, and brown dwarfs.
Astronomers have recorded hundreds of gamma-ray bursts (GRBs) in a massive global effort that rivals the 250-year-old Messier catalogue. The collection includes 64,813 photometric observations and showcases collaborative research across nations.
Astronomers discovered that super-Earths cannot form near low-metallicity stars due to a strict cut-off in conditions. The study provides an upper limit on the number and distribution of small planets in the galaxy.
Researchers have observed the circumgalactic medium of a star-bursting galaxy 270 million light years away, revealing its vastness and influence on gas formation. The study provides new insights into galaxy evolution, how galaxies acquire gas, and where it goes.
A deep-learning algorithm developed by astronomer David Harvey can untangle the complex signals of self-interacting dark matter and AGN feedback in galaxy cluster images. The Inception model achieved an accuracy of 80% under ideal conditions, showcasing its potential for analyzing vast amounts of space data.
A team of researchers used ALMA to study the earliest known pair of close quasars, discovering that they are merging and will form a super-bright monster galaxy. The merger is expected to trigger a rapid increase in star formation, creating a 'starburst' effect.
The EHT Collaboration has conducted test observations using ALMA and other facilities to detect light from distant galaxies at a frequency of around 345 GHz. The Collaboration achieved the highest resolution ever obtained from the surface of Earth, detecting details as fine as 19 microarcseconds.
A new study by the University of Maryland reveals that NASA's DART spacecraft collision with asteroid moon Dimorphos created a large crater and reshaped it, causing the moon to derail from its original evolutionary progression. The impact also changed Dimorphos' orbit around its parent asteroid Didymos.
A new study published in Physical Review Letters suggests that nanohertz gravitational waves may not originate from supercool first-order phase transitions. Researchers found that such transitions would struggle to complete, shifting the frequency of the waves away from nanohertz frequencies.
Researchers have discovered that far-ultraviolet radiation from stellar flares on red dwarf stars can be three times more energetic than previously thought. This finding challenges existing models of exoplanet habitability and suggests that many stars may pose a risk to the potential for life on planets around them.
Astronomers have imaged the coldest exoplanet ever detected using JWST, which agrees with models of planet evolution and solar system ages. The exoplanet orbits a super-Jupiter in the Epsilon Indi triple star system and has a mass six times that of Jupiter.
Researchers have found the nearest massive black hole to Earth, located at the center of Omega Centauri, a galaxy that was swallowed by the Milky Way. The discovery provides insight into the formation history of galaxies and confirms long-held suspicions about the existence of intermediate-mass black holes.
Astronomers have discovered seven fast-moving stars in the Omega Centauri globular cluster, providing compelling evidence for the presence of an intermediate-mass black hole. The team analyzed over 500 Hubble images to search for signs of gravitational pull from the black hole.
A new dataset from the VELOCE project has collected over 18,000 high-precision measurements of Cepheid radial velocities, providing insights into the structure and evolution of these stars. The data reveal complex patterns in pulsations that cannot be explained by traditional models, suggesting intricate processes within the stars.
A new study reveals that NASA's exoplanet-hunting satellite has observed the smaller black hole of a binary system directly for the first time. The discovery was made possible by the satellite's precise timing, which allowed researchers to detect a sudden burst of brightness from the smaller black hole.
The MIRI Mid-INfrared Disk Survey (MINDS) discovered a large variety of carbon-rich gases in the disk surrounding a very low-mass star. This finding suggests that rocky planets with Earth-like characteristics may form more efficiently than Jupiter-like gas giants in such disks.
Researchers suggest microscopic, ultradense black holes formed in first quintillionth of a second after Big Bang may have produced smaller, super-charged black holes with unprecedented nuclear charge. These tiny, 'super-charged' black holes could have influenced atomic nucleus formation and detection.
Researchers captured a volcanic event on Io using the Large Binocular Telescope's SHARK-VIS instrument, achieving higher resolution than ever before with Earth-based observations. The images reveal surface details equivalent to taking a picture of a dime-sized object from 100 miles away.
Researchers propose a novel approach to correct the leading model of primordial black hole (PBH) formation, aligning with cosmic microwave background observations. This could imply fewer PBHs than expected, potentially affecting the dark matter theory and gravitational wave events.
Researchers witness the formation of three of the universe's earliest galaxies, 13.3-13.4 billion years ago, using the James Webb Space Telescope. The discovery contributes to understanding the universe's origins and provides insight into galaxy formation, shedding light on humanity's most basic questions.
Researchers at MIT have developed a new method to measure the spin of supermassive black holes by tracking the pattern of X-ray flashes produced during tidal disruption events. By analyzing the wobble of the accretion disk, they were able to determine that the nearby black hole was spinning at less than 25% the speed of light.
Astronomers at Macquarie University have successfully tested a new technique for observing celestial objects during the day using the Huntsman Telescope. The array of camera lenses can accurately measure stars, satellites, and other targets even when the Sun is high overhead, allowing continual monitoring of bright stars like Betelgeuse.
Astronomers have discovered an enormous circular radio feature around a galaxy, dubbed the Cloverleaf, which was created by clashing groups of galaxies. The XMM-Newton satellite has detected X-ray emission associated with this structure for the first time, revealing clues about its formation and the merger process.
The study used a trove of archived Hubble images to identify the asteroids, working with citizen scientists and machine learning algorithms. The discovery provides insights into the formation and evolution of the asteroid belt, suggesting that smaller fragments may be remnants of larger asteroids that have collided.
A massive ancient galaxy, JWST-ER1g, has been found to have a high dark matter density, puzzling physicists. Researchers offer an explanation that suggests a mechanism compressing the dark matter halo could be responsible for the high density.