News tagged with alien life

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nasa · planets · life

Martian water vs. the volcanoes

For decades NASA has been "following the water" on Mars with hopes of finding signs of alien life there; or at least signs that future colonists won't die of thirst. Now a Texas geologist has dared to revive an old, almost ...

dateJul 27, 2011 in Space Exploration
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Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

dateJun 30, 2011 in Astronomy
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How to learn a star's true age

(PhysOrg.com) -- For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our Sun, most stars look almost the same for most of their lives. So how can we tell if a star is ...

dateMay 24, 2011 in Astronomy
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Try failed stars for alien life

The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and became free-floating ...

dateMar 31, 2011 in Astronomy
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