The White House has responded to two petitions asking the US government to formally acknowledge that aliens have visited Earth and to disclose to any intentional withholding of government interactions with extraterrestrial ...
Space Exploration
Nov 7, 2011
92
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Any intelligent extraterrestrial life that exists probably won't announce itself by blowing up the White House, or win over the hearts of children as a lovable alien with a glowing finger. Many scientists simply hope to find ...
Space Exploration
Oct 28, 2011
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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
17
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The recent field of invasion biology faces a new challenge as 19 eminent ecologists issue a call to "end the bias against non-native species" in the journal Nature.
Ecology
Jun 8, 2011
1
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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
7
1
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
1
0
The gaps and stringy fibers in these space rocks sure look like bacteria, and a NASA researcher has caused a stir with claims that they're fossils of alien life. But as NASA found 15 years ago, looks can be deceiving.
Space Exploration
Mar 7, 2011
35
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A NASA scientist's claim that he found tiny fossils of alien life in the remnants of a meteorite has stirred both excitement and skepticism, and is being closely reviewed by 100 experts.
Space Exploration
Mar 6, 2011
85
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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
30
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