Chemical Hints on a Distant Planet Offer ‘Strongest Evidence Yet’ for Life Outside Our Solar System, Astronomers Say
The James Webb Space Telescope spotted possible signatures for life in an exoplanet’s atmosphere. Still, researchers caution it’s far too early to call the findings definitive
High School Student Discovers 1.5 Million Potential New Astronomical Objects by Developing an A.I. Algorithm
The 18-year-old won $250,000 for training a machine learning model to analyze understudied data from NASA’s retired NEOWISE telescope
Astronomers Discover a Rare White Dwarf Pair Doomed to Explode in a Brilliant Supernova
The event will be ten times brighter than our Moon in the night sky, but never fear, it won’t happen for another 23 billion years
Check Out Neptune’s Beautiful Auroras, Captured for the First Time by the James Webb Space Telescope
Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an observation of Neptune’s lights remained elusive for decades
Scientists Detect ‘Unexpected’ Oxygen in the Most Distant Galaxy Ever Found, Defying Ideas About the Early Universe
The findings suggest galaxies formed much more quickly than astronomers assumed
Mysterious Dark Energy Might Be Weakening—and That Could Upend Predictions About the End of the Universe
Astronomers thought dark energy was a constant. But now, findings from the Dark Energy Spectroscopic Instrument provide even more evidence that it may be fluctuating
Astronomers Find Four New Exoplanets Orbiting a Neighboring Star, the ‘White Whale’ of Planet Seekers
More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to Earth, a pair of telescopes has revealed multiple rocky worlds around it
The First Big Data Drop From the Euclid Space Telescope Unlocks a ‘Treasure Trove’ of Insights on the Universe’s Mysteries
The European Space Agency’s “dark universe detective” discovered millions of new galaxies and offers potential clues about dark matter
This Comprehensive Guide Will Answer the Questions You Have About Black Holes—and Spark Some New Ones
In a new book release, two scientists combine forces to explain the discoveries, developments and theories made in the realm of the densest objects in space
The Six Most Amazing Discoveries We’ve Made by Exploring Uranus
Its bland exterior belies a dynamic world full of surprises
Seven Planets Will Gather in the Night Sky This Weekend. Here’s What to Expect During the Rare Alignment
While such a lineup is uncommon, the event might not look exactly how you’re imagining it
A Record-Breaking ‘Ghost Particle’ From Outer Space Made a Splash of Light in the Mediterranean
The neutrino was 30 times more energetic than any other previously observed particle of its kind. Scientists still don’t know exactly where it came from
Astronomers Discover Extremely Rare Einstein Ring in Early Euclid Telescope Data, Revealing Warped Space-Time
Such examples of gravitational lensing can help astronomers learn more about the properties of dark matter
Astronomers Suspect Colliding Supermassive Black Holes Left the Universe Awash in Gravitational Waves
Radio telescopes tracking signals from spinning, ultra-dense stars point to ripples in the fabric of space
Check Out NASA’s New Image of the Brilliant Bullseye Galaxy, the Aftermath of a Rare Cosmic Collision
After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy known to scientists
Check Out the Hubble Space Telescope’s Stunning New View of the Andromeda Galaxy
The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth
Astronomers Found Strange, Accelerating X-Ray Pulses Coming From a Black Hole. They Might Be a Sign of an Orbiting White Dwarf
The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary research
James Webb Telescope Confirms the Universe Is Expanding Faster Than We Thought—and Scientists Still Don’t Know Why
The findings suggest that astronomers’ widely accepted cosmology models might be missing something—meaning the longstanding mystery known as the “Hubble tension” continues
Astronomers Detect the Smallest Main Belt Asteroids Ever Found by Repurposing a Technique for Exoplanet Discovery
An unusual approach to spotting tiny asteroids uses James Webb Space Telescope data in a boost for planetary defense research
See the Sombrero Galaxy Like Never Before, as the James Webb Telescope Captures It in Unprecedented Detail
The mid-infrared light image shows astronomical features that can’t be seen with visible light cameras or in previous infrared views—and in this shot, the galaxy doesn’t look much like a Sombrero anymore
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