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Our Sun Is Moving Slower Than Thought
"Shocking" find may redraw picture of solar system's cosmic shield.
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‘First Light’ Instrument Ready to Ship
One of Europe’s main contributions to the James Webb Space Telescope (JWST) is built and ready to ship to...
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Monster Black Holes Stifle Star Birth
The intense energy and winds from gigantic black holes can block the birth of stars as scientists have long...
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‘Ridiculously Dim’ Bevy of Stars Found Beyond Milky Way
A team of American, Canadian and Chilean astronomers have stumbled onto a remarkably faint cluster of stars orbiting the...
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Cosmic Blasts Powered By a Hot Glow
Since its launch in 2008, the Fermi space telescope has recorded hundreds of gamma-ray bursts (GRBs), flashes of light...
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First-Ever Light From Earth-Like Planet Seen
Light from an alien “super-Earth” twice the size of our own Earth has been detected by a NASA space...
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NASA Budget Cuts Draw Threat of Presidential Veto
A 2013 spending bill that would fund NASA’s commercial crew program below the level President Barack Obama requested drew...
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Tidal Heating Shrinks the Goldilocks Zone
A previously little-considered heating effect could shrink estimates of the habitable zone of the Milky Way’s most numerous class...
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New Jupiter Mission to Target Alien Oceans
The European Space Agency’s next big mission may be particularly juicy for scientists hunting for signs of extraterrestrial life....
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Ancient Volcanic Blast Provides More Evidence of Water on Early Mars
The atmosphere of Mars is less than 1% the density of Earth’s. It’s one of the reasons liquid water...