Astronomy
How It All Began: A Colleague Reflects On the Remarkable Life of Stephen Hawking
The physicist probed the mysteries of black holes, expanded our understanding of the universe and captured the world's imagination, says Martin Rees
Purple Haze: Alien Atmospheres Recreated In the Lab
By combining various gases with plasma, researchers are learning about the haze around distant planets
Astronomers May Have Just Detected the Universe's First Stars
A long-sought radio signal indicates the first stars began burning 180 million years after the initial Big Bang
Fifty Years Ago, a Grad Student’s Discovery Changed the Course of Astrophysics
By identifying the first pulsars, Jocelyn Bell Burnell set the stage for discoveries in black holes and gravitational waves
Amateur Astronomer Captures Supernova's First Winks of Light
Scientists say the chances were less than one in a million
Astronomers Spot Signs of Planets Outside the Milky Way
Researchers estimate that more than a trillion planets may lurk beyond our galaxy's bounds
Dark Nebula Hides a Brilliant Streak of Baby Stars
South American observatory captures most detailed peek yet at Lupus Clouds stellar nursery
Astronomers Get Best Look Yet at the Surface of a Red Giant Star
The image shows convection cells on the star are huge, confirming some theories about star evolution
Amateur Astronomer Finds Long-Lost NASA Satellite
The hobbyist was in search of the lost Zuma satellite when he spotted IMAGE, which went offline in 2005
Don't Miss This Celestial Triplet: a Blue Moon, Supermoon and Lunar Eclipse
January’s second full moon will appear slightly larger during its blood-red lunar eclipse
Behold Hubble's Best Image of a Distant Galaxy Yet
The galaxy is roughly 13.3 billion light years away, and formed just 500 million years after the universe began
Astronomers Spy a Black Hole's Double 'Burp'
New observations suggest that black holes cycle between activity and rest
Citizen Scientists Discover an Unusual Five-Planet Solar System
Users looking through data on Exoplanet Explorers flagged four sub-Neptune planets orbiting a distant star called K2-138
Take a Breathtaking Trip Through the Orion Nebula in NASA's New Video
Combining visible and infrared imagery, the new video takes viewers deep into the star nursery
New Clues to the Origins of the Mysterious Fast Radio Bursts From Space
New analysis suggests that the bursts originate near massive black holes or neutron stars
Meet the Newly Named 86 Stars of the Night Sky
The new names are drawn from China, Australia, South Africa, Maya, Polynesian and Coptic traditions
Quadrantid Meteor Shower Kicks Off the New Year
The annual show is known for producing long-lasting, bright fireballs from asteroid 2003 EH1
Watch the Supermoon Rise Around the World in Pictures
The 'super' event was a great excuse to get outside and take in some celestial wonder—even if the moon didn't look all that different
Dinosaurs Were Around Before Saturn Had Rings
Data from the Cassini space probe suggests that the rings may be as young as 150 million years old
How AI Found the First Eight-Planet Solar System Beyond Our Own
Google’s neural network sifted through piles of NASA data to find a planet hiding in the spacestacks
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