Mars Rover Finds Good News for Past Life, Bad News for Current Life on Mars

The first detailed analysis from the Curiosity rover's sampling of the Martian atmosphere bolsters the case that the planet was once warmer, and possibly wetter and friendlier to life. But the findings strike a simultaneous blow to those who suspect microbes may still linger on the Red Planet's surface because of what they didn't find: methane.

via Wired Top Stories http://www.wired.com