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Supermassive Black Holes Are Cannibals
Astronomers have found black holes and supermassive black holes. But the discovery of a mid-size black hole could support...
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President’s 2013 Budget Hits Planetary Science Hard
The president’s 2013 budget asks for modest increases for some federal science agencies but trims funding to NASA. The...
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What Makes a Planet Livable? Five Things Scientists Look For
Since 1995, astronomers have been hunting in earnest for possible havens for life outside the solar system. So far,...
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NASA Issues Call for New Space Taxis
NASA is looking for at least two U.S. firms to design and build space taxis to ferry astronauts to...
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Black Hole in Milky Way Seen Snacking on Asteroids?
Our Milky Way galaxy’s supermassive black hole is apparently dining on all-you-can-eat asteroids, according to a new study. Dubbed...
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Do Aliens Go Invisible By ‘Going Green’?
The Fermi Paradox asks the simple question “where are they?” Our Milky Way galaxy is so big and so...
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Habitable Zones Around Alien Suns May Depend on Chemistry
Trace elements in stars may influence the evolution of habitable zones around them where life as we know it...
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Newfound Super-Earth Planet Could Support Life
A potentially habitable alien planet — one that scientists say is the best candidate yet to harbor water, and...
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NASA Spots ‘Alien’ Matter From Beyond Solar System
For the very first time, a NASA spacecraft has detected matter from outside our solar system — material that...
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‘Starbursts’ and Black Holes Lead to Biggest Galaxies
Frenetic star-forming activity in the early Universe is linked to the most massive galaxies in today’s cosmos, new research...