Curiosity Confirms That Mars Was Once Capable of Harboring Life

The Curiosity Rover has just accomplished exactly what it was set out to do. According to NASA scientists, the probe's latest analysis of a Martian rock sample shows that ancient Mars was once capable of supporting living microbes. It’s not confirmation of life; rather, it's evidence for the Red Planet's historical » 3/12/13 1:27pm 3/12/13 1:27pm

Mars once had water warm enough to sustain life

We know that Mars once had lots of water, considered a prerequisite for habitability. What hasn't been known, however, is just how friendly — or unfriendly — this water might have been to life, as the temperature and chemical conditions of ancient Martian water has remained a complete mystery. But as a new analysis… » 11/19/12 8:00am 11/19/12 8:00am