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New Star Map Could Change Everything We Know About the Milky Way
The map includes 1.7 billion stars and is already revealing new details about star evolution and the formation of our galaxy
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Five Things to Know About NASA’s New Planet-Hunting Satellite
TESS will scan the skies in search of the next crop of exoplanets
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The Center of the Milky Way May Be Chock-Full of Black Holes
Researchers spotted about a dozen black holes lurking at our galactic center—and there may be up to 10,000 more
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Meet Icarus, The Most Distant Star Yet Detected
The blue supergiant lies 9 billion light-years away
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Scientists Thought All Galaxies Had Dark Matter, but They Just Found One Without It
The find defies the assumption that the mysterious matter is necessary for galaxy formation
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70,000 Years Ago, a Passing Star Shook Up Our Solar System
The red dwarf likely came within one light-year of the sun, altering the course of some asteroids and comets
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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
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Purple Haze: Alien Atmospheres Recreated In the Lab
By combining various gases with plasma, researchers are learning about the haze around distant planets
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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
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Astronomers Spot Signs of Planets Outside the Milky Way
Researchers estimate that more than a trillion planets may lurk beyond our galaxy’s bounds
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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
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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
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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
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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
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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
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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
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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
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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
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The First Interstellar Object Seen Buzzing by Earth Is Pretty Weird
Roughly the size of a football field, the object is roughly 10 times longer than it is wide
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Leonid Meteor Shower Will Streak Through Skies This Weekend
Expect 10 to 25 shooting stars per hour as the planet passes through the debris of comet Tempel-Tuttle
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