+ Fingerprinting the very first stars
+ What does it look like near a supermassive black hole? + Red giant brings its companion star back to life
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Fingerprinting the very first stars
Fingerprinting the very first stars
Using a radio antenna the size of a tabletop, astronomers found evidence suggesting the first stars formed just 180 million years after the Big Bang.
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What does it look like near a supermassive black hole?
What does it look like near a supermassive black hole?
With today's best models and instruments, astronomers are closing in on the comparatively tiny regions around supermassive black holes.
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A “Living Dead” Star that Could Shed Light on the Early Universe
A “Living Dead” Star that Could Shed Light on the Early Universe
A newfound star in a nearby galaxy appears to have cheated death by blowing up at least twice as a supernova. It could be a throwback to the first stars that ever formed.
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The Shooting Star Pendant
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Astronomy Crab Nebula Puzzle

Star is confirmed single and ready to test Einstein’s theory
Star is confirmed single and ready to test Einstein’s theory
Astronomers determined the star S0‑2, which will test Einstein’s Theory of General Relatively when it swings by our galaxy's supermassive black hole later this year, does not have a significant binary companion.
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Red giant brings its companion star back to life
Red giant brings its companion star back to life
Winds emitted by a red giant revived a nearby neutron star's dead core.
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StarDome
Online interactive Star Dome
Online interactive Star Dome
The program allows users to look at the sky at any time and from any location on Earth, seeing what stars and planets are visible during any time of the night.
See Your Sky »

Astronomy Blog
Another astronomy Christmas?
Marie-Lan Nguyen (Jastrow)
Another astronomy Christmas?
If you didn't get the telescope, eyepiece, camera, or other astronomical accessory you went to sleep dreaming about on Christmas Eve, you now have another chance.
  Read »

Multimedia
What Happened to the Water on Mars?
The Real Reality Show
How the Sun Will Die
A special guest helps Astronomy Editor Dave Eicher explain our star's fate.
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Astro News Bytes
Astro News Bytes
Downsizing the Andromeda Galaxy
Astronomers used to believe that the Andromeda Galaxy, our nearest galactic neighbor, was three times the size of the Milky Way. Not anymore.
  Watch »
Episode 13: Jay Gallagher
5 Questions with David J Eicher
Episode 13: Jay Gallagher
Jay Gallagher, emeritus professor at the University of Wisconsin, is one of the world’s greatest experts on galaxies
  Listen »
Episode 9: Abraham “Avi” Loeb
5 Questions with David J Eicher
Episode 9: Abraham “Avi” Loeb
Harvard University Astronomy Department Chair Abraham “Avi” Loeb describes his research with galaxies, his leadership with the Breakthrough Starshot Initiative, and other amazing subjects.
  Listen »

Reader Gallery
Spiral galaxy M101
Picture of the Day
Spiral galaxy M101
Jeffrey Weiss from Sunnyvale, California
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The Blue Snowball
Picture of the Day
The Blue Snowball
Scott Rosen from Pine Mountain Club, California
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Sunspots AR2679 and AR2674
Picture of the Day
Sunspots AR2679 and AR2674
Gabriel J. Almonte from Lafayette, Indiana
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Check out all our galleries:
Advanced Imaging Conference, Comets, Cosmic Creations, Galaxies, LightBuckets Online Telescopes images, Nebulae, Planets, Sketches from the Telescope, Stars and Star Clusters, Sun and Moon, Trips and tours, Where in the World is Astronomy?
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