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 ...
Space Exploration
Jul 27, 2011
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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.
Astronomy
Jun 30, 2011
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(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 ...
Astronomy
May 24, 2011
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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 ...
Astronomy
Mar 31, 2011
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(PhysOrg.com) -- In 1974, humans broadcast the first message targeted at extraterrestrial life using the Arecibo radio telescope in Puerto Rico. The message, which was aimed at the globular star cluster M13 located 25,000 ...
An orbiting NASA telescope is finding whole new worlds of possibilities in the search for alien life, including more than 50 potential planets that appear to be in the habitable zone.
Astronomy
Feb 2, 2011
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(PhysOrg.com) -- The public are being asked to help Oxford University astronomers find planets orbiting other stars which may have been 'lost' in the data from over 100,000 stars. Volunteers could even find 'Earth-like' alien ...
Space Exploration
Dec 20, 2010
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(AP) -- Lately, a handful of new discoveries make it seem more likely that we are not alone - that there is life somewhere else in the universe.
Space Exploration
Dec 8, 2010
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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 vigilantly monitors ...
Astronomy
Sep 27, 2010
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Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of Mars can help future ...
Space Exploration
May 31, 2010
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