News tagged with alien life

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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 ...

Jul 27, 2011
4.6 / 5 (7) 8 | with audio podcast

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.

Jun 30, 2011
3.7 / 5 (9) 17 | with audio podcast

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 ...

May 24, 2011
5 / 5 (3) 7 | with audio podcast

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 ...

Mar 31, 2011
3.8 / 5 (5) 1 | with audio podcast

Refining the search for what's 'out there'

Gregory Benford, his brother James and his nephew Dominic decided to combine their knowledge of astrophysics, space, microwaves and economics to look at the search for extraterrestrial life from a money perspective. They ...

Oct 15, 2010
4.8 / 5 (13) 65

Probing Question: What is a Near Earth?

In the 1997 movie "Contact" (based on the novel by Carl Sagan), actress Jodie Foster plays an astrophysicist devoted to SETI -- the Search for Extra-Terrestrial Intelligence. Despite doubting colleagues, she ...

Sep 27, 2010
3.6 / 5 (10) 2