Life in Space - Search for Extraterrestrial Intelligence

Alien Solar Systems Are Much Different Than Our Own

May 23, 2011 | Article

Alien solar systems appear to be common in our galaxy, but they're not like Earth's.
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Lonely Rogue Worlds Surprisingly Outnumber Planets with Suns

May 18, 2011 | Article

Astronomers have discovered a whole new class of alien planet: Jupiter-mass worlds that float through space unbound to any discernible host star.
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Is the Rocky Alien Planet Gliese 581d Really Habitable?

May 17, 2011 | Article

The rocky alien planet Gliese 581d may be the first world beyond Earth capable of supporting life as we know it, according to a new study.
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The Next Mars Rover: Q&A With Mars Science Laboratory Manager Pete Theisinger

May 10, 2011 | Article

A Q&A with Pete Theisinger, mananger of the Mars Science Laboratory mission, which will drop a car-sized rover onto the Red Planet in August 2012.
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All Signs Point to Hidden Ocean on Saturn Moon Titan

May 03, 2011 | Article

A huge ocean of liquid water may slosh about beneath the frigid surface of Saturn's moon Titan, according to a new study.
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Alien Planet Nearly Dense as Lead

May 02, 2011 | Article

Astronomers have pinned down some details of an exotic nearby alien planet that's almost as dense as lead.
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Alien Bacteria Could Breed in Extreme 'Hypergravity'

April 25, 2011 | Article

Alien life may be able to exploit more-extreme environments than thought, because huge gravitational forces don't seem to pose microbes many problems.
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