NASAs Chandler Observatory
Teresa Kroeger via Getty Images
Astronomers watch the galactic equivalent of a dog with a bone.
The retired Navy commander, 82, never forgot the "overpowering beauty of the Earth."
The Washington Post via Getty Images
'It will be a very dramatic change in the sky.'
Mark Bowler via Getty Images
She used galaxies’ rotations to discover the first direct evidence of dark matter in the 1970s while working at the Carnegie Institution in Washington.
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The "greening" effect has helped slow the rise of CO2 in the air -- but researchers warn it's only temporary.
Radio image by Natasha Hurley-Walker/ICRAR/Curtin and the GLEAM Team. MWA tile and landscape by Dr. John Goldsmith/Celestial Visions
On Nov. 14, skywatchers will be treated to a supermoon so big and bright that it's being billed as a "super-dupermoon" or an "extra-supermoon." Supermoons aren't especially uncommon, but this will be...
Benjamin Winkel and the HI4PI collaboration
Maybe you've always wondered what the universe would look like if you could see radio waves ― or maybe not. Either way, you'll be wowed by this extraordinary new view of the cosmos as seen by the Murc...
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This spectacular view of the Milky Way reveals a detailed map of hydrogen gas in and around our home galaxy. Improving on earlier maps of its kind, the new atlas ― dubbed HI4PI ― reveals the fine deta...
With at least 100 billion planets in the Milky Way, you'd think at least one would have produced a race of intelligent alien beings. So how come we've never seen signs of space aliens even after decad...
Jarring new study shows it's tough for women to get telescope time.