Astrobio.net

Turning up the gas

Rapid increases in greenhouse gases have happened more frequently in the Earth’s history than previously realized, according to a Scripps Institution of Oceanography-led study published in the journal ...

Apr 26, 2011 4 / 5 (3) 1

A tale of two deserts

Because the surface of Mars today is bone-dry and frozen all year round, it’s difficult to find any place on Earth that is truly Mars-like. But two locations, Antarctica’s Upper Dry Valleys and the ...

Apr 19, 2011 5 / 5 (1) 0

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

New study finds apex fossils aren't life

Structures thought of as the oldest known fossils of microbes might actually be microscopic mineral formations not associated with life, suggesting that astrobiologists have to be careful calling alien objects ...

Mar 18, 2011 4.7 / 5 (3) 1 | with audio podcast

Building biological computers

New research shows that genetically modified cells can be made to communicate with each other as if they were electronic circuits. The study is a groundbreaking step toward building complex systems where the ...

Mar 07, 2011 4.7 / 5 (11) 1 | with audio podcast