Astronomers Detect Mysterious, Perfectly Spherical Object in Deep Space Emitting Radio Signals
An international team of astronomers have detected an invisible, mysterious, nearly perfectly spherical object emitting radio signals.
Astronomy
“No One Knows How to Explain This Behavior,” Says Scientist Stumped by Odd Pulses Coming From Sun-Like Stars
A NASA veteran’s multi-year survey of over 1,300 Sun-like stars has discovered several mysterious fast pulses of light that defy traditional cosmological explanations.
NASA’s Perseverance Rover Spotted Something on Mars That Scientists Have Never Seen Before
Mars experienced an aurora in March 2024, turning the sky green, as a solar storm produced the first visible light Martian aurora on record.
NASA Mission Reveals “Ground Shaking” New Insights into Mysterious Structures on Venus
A fresh look at data from NASA's Magellan mission has revealed potentially ground-shaking insights into mysterious structures on Venus.
New Milky Way Model Explores What Lies Between the Stars with Surprising Revelations
The Milky Way Galaxy's magnetic turbulence stands revealed in an innovative new computer model describing the expanse between stars.
James Webb Space Telescope Confirms Major Discovery of Water Ice in Alien Planetary System for the First Time
The James Webb Space Telescope has confirmed the presence of water ice in a planetary system beyond our own for the first time.
Mapping Lunar Mysteries, NASA’s Newest Gravity Model is Redefining the Moon’s Interior
NASA’s latest gravitational data model of the Moon generated a litany of discoveries from ancient volcanoes to navigational information.
“This Has Left Us Scratching Our Heads.” NASA’s James Webb Space Telescope Spots Unexpected Light Activity on Jupiter
Stunning auroral activity has been observed on Jupiter, in an unexpected new discovery that has perplexed astronomers as to how it happens.
Quasars May Help Detect Gravitational Waves from Ancient Black Hole Collisions, This Astrophysicist Says
An astrophysicist has proposed a new method for detecting slow-moving gravitational waves using light from distant quasars.
Seismic Signals Hint at Presence of Liquid Water Deep Beneath the Martian Surface
Recent Martian seismic activity suggests water in the Red Planet's crust, a potential boon to long term human habitation in the future.
The End of the Universe Could Arrive “Much Sooner Than Expected,” Astronomers Now Warn
New study suggests neutron stars, white dwarfs, and black holes may decay sooner than thought, reshaping cosmic fate theories.
NASA’s Hubble Spots Runaway Black Hole Devouring a Star 600 Million Light-Years From Earth
A traveling black hole stalking the cosmos for stellar prey recently revealed itself by shredding a star in a radioactive burst.
NASA’s IXPE Solves Mystery of X-Ray Emissions from Supermassive Black Hole
A supermassive black hole, blazar BL Lacertae, has finally revealed how these cosmic features generate X-rays thanks to NASA's IXPE.
James Webb Telescope Unveils Secrets of Small, Mysterious Planets That “Don’t Exist in Our Solar System.”
For the first time, astronomers have used NASA's James Webb Space Telescope to peer through the thick haze of a sub-Neptune planet’s atmosphere, offering new clues about one of the universe’s most mysterious and common types of worlds.
“I Thought I Was Witnessing End Times.” Massive Green Fireball Spotted by Hundreds as It Lit Up the Western Sky
An exceptionally bright green fireball was spotted by hundreds of sky watchers in the western U.S. over the weekend.
ESA’s Gaia Mission Unveils a Stellar Mystery, and Astronomers “Haven’t Found Anything Quite Like It Before”
The Gaia star surveyor has identified strange behavior in a group of stars rushing to escape their birthplace, unlike any others observed.
Astronomers Solve 20-Year Mystery of Magnetar Flare, Revealing the Source of Our Universe’s Gold
Magnetar flares produce gold, platinum, and other heavy elements in our galaxy, says new research on a strange cosmic flash over 20 years ago.
Scientists Discover Super-Earths Are Surprisingly Common Across the Galaxy
Exoplanet super-Earths are more prevalent in the universe than earlier research predicated according to international scientists.
Astronomers Learn Something “Very Surprising” While Studying the Mysterious Asteroid Vesta
Vesta, the strange object in our solar system that has long fascinated astronomers isn't what it appears according to new research.
New Webb Telescope Findings Bring Black Hole Mysteries and the Hidden Side of Star Formation into Focus
New data from the MIRI EGS Galaxy and AGN (MEGA) survey showcases the power of the James Webb Space Telescope's Mid-Infrared imaging capabilities.
Astronomers Spot Previously Invisible Object Near Our Solar System After Realizing It Was Glowing
Astronomers finally spotted a previously 'invisible' object near our solar system when they realized it was actually glowing in the dark.
Dark Energy’s Early Universe Behavior Was More Exotic Than Expected, New DESI Data Suggest
Exotic properties suggested by recent DESI collaboration data are more likely to apply to dark energy than dark matter, argues Harvard astronomer Avi Loeb.
James Webb Space Telescope Eyes Mysterious Objects at the Edge of the Solar System
Researchers studying mysterious objects at the edge of the solar system with the James Webb Space Telescope find origin of life clues.
New Findings Cast Doubt on Spectral Evidence of Life on Distant Exoplanet K2-18b
New analysis casts doubt on potential biosignatures detected in the atmosphere of exoplanet K2-18b that could indicate the presence of life.
A Green Fireball Exploded Above Australia, Shocking Residents and Raising Questions
A green fireball brighter than the full moon surprised Australians with a massive bang Monday night, leaving questions about what occurred.
SETI Expands the Search for Extraterrestrial Life to a Community Scientists
The SETI Institute is bringing the search for extraterrestrial life to a broader group of budding scientists with new hands-on opportunities.
NASA’s TESS Spots Evaporating Planet in Death Spiral That’s Producing a Comet-Like Tail
A distant exoplanet is quickly disintegrating 140 light-years from Earth, spotted by MIT astronomers through NASA's TESS mission.
NASA’s Lucy Spacecraft Had a Weird Close Encounter During Recent Asteroid Flyby, New Images Reveal
NASA’s Lucy spacecraft captured the most detailed images yet of an oddly shaped asteroid during its recent flyby.
Skiing the Red Planet? New Evidence Suggests Ancient Mars Experienced Snow and Rain
A new analysis by UC Boulder geologists suggests the ancient Mars landscape was formed by falling precipitation, including rain and snow.
‘Cosmic Radio’ Detector May Soon End the Hunt for Elusive Dark Matter
Inspired by the tuning mechanics of an automobile’s radio, a new detector could soon help solve the dark matter mystery.
Astronomers Just Made a Big Discovery About the Universe’s Largest Cosmic Structure
The largest cosmic structure ever observed by astronomers is revealing its biggest cosmic secrets yet, with a little help from powerful gamma-ray bursts.
New ‘Spinning Universe’ Theory Could Explain a Decades-Old Cosmological Mystery
The entire universe may be rotating, like its individual parts do, potentially explaining the “Hubble tension,” which perplexes scientists.
James Webb Space Telescope Spots the First Potential Signs of Life Outside our Solar System
Cambridge astronomers using the James Webb Space Telescope have detected the first potential sign of life on another planet.
NASA’s Lucy Spacecraft Gears Up for Its Second Asteroid Flyby
NASA’s Lucy spacecraft is set to fly by the asteroid Donaldjohanson on April 20 in a key rehearsal for its primary mission to study Jupiter’s Trojan asteroids.
A Long-Dormant Supermassive Black Hole Has Awakened, and It’s Doing Something Extreme and Unusual
A supermassive black hole that scientists have nicknamed "Ansky" is now awake after a long dormant period, emitting powerful X-ray flares.
James Webb Space Telescope Captures a Planet Being Consumed by Its Star for the First Time, with Unexpected Results
The James Webb Space Telescope's MIRI instrument has captured the final moments of a planet's existence, unexpectedly revealing that the object descended into its host star rather than being engulfed by it as it grew.
Hidden Galaxies Could “Break All of our Current Models” of Galactic Evolution, Astronomers Say
Hidden galaxies offering a glimpse into the past could reveal previously unknown secrets of the universe, challenging current models.
Death by Dark Energy? A Cosmic Game of Russian Roulette
Call it cosmic Russian roulette: Harvard astronomer Avi Loeb outlines a possible cosmic doomsday scenario involving dark energy.
Strange “Supermazes” Are Stretching Our Understanding of Black Holes Beyond General Relativity
Physicists are reshaping our understanding of black holes in new research that maps theoretical structures within them known as “supermazes.”
No Big Bang? Groundbreaking New Theory Could Upend the Standard Model of Cosmology
A new theory challenges the standard model of cosmology, arguing that dark matter and dark energy are not the forces behind cosmic expansion.
In the Search for Extraterrestrial Life, This Surprising Result May Bring us Closer to a Groundbreaking Discovery
"What if extraterrestrial life is not found?" international researchers ask, seeking to understand how negative results could aid future work.
A Chorus of Stars 2,700 Light-Years Away is “Singing,” and Scientists Are Listening
Stars 2,700 light years away are singing a song that researchers are listening to, uncovering stellar evolution.
Doomed Binary Star System to Produce Brilliant Explosion in the Distant Future
A binary star system about 150 light years from Earth, right on our cosmic doorstep, is on track to collide as a type 1a supernova.
Black Hole Radiation: A Surprising Ally in the Search for Life?
A surprising new study suggests the intense radiation from active galactic nuclei from a black hole might support life instead of destroying it.
James Webb Space Telescope Spots the “Dawn” of the Universe Becoming Transparent
Astronomers using the James Webb Space Telescope to look back in time have found the earliest evidence of the universe becoming transparent.
Warp Drive Think Tank Adds Harvard Astrophysicist and Warp Theorist to Advance Planetary Defense
International warp drive think tank Applied Physics has announced a planetary defense project helmed by Dr. Avi Loeb and Dr. Shaun Fell.
NASA’s James Webb Space Telescope Just Spotted Something on Neptune Astronomers Have Never Seen Before
The eerie glow of Neptune's aurora has been revealed for the first time in new images collected by NASA’s James Webb Space Telescope.
James Webb Space Telescope Reveals ‘Cosmic Tornado’ and Hidden Galaxy in Striking New Images
New James Webb Space Telescope captures a "cosmic tornado" with imagery of the dramatic outflow from a newly formed star.
High-Energy Neutrinos May Hint at New Physics—or New Civilizations
Harvard astronomer Avi Loeb discusses how scientists trace the cosmic journey of high-energy neutrinos from the Big Bang to the ocean floor.
Astronomers Spot Supermassive Black Hole in a Distant Galaxy Firing ‘Death Rays’ Across the Cosmos
Astronomers studying a supermassive black hole at the center of a galaxy similar to our Milky Way may have just witnessed how Earth will end.