Rover Finds More Clues About Possible Life On Mars
NASA's Curiosity rover detected methane on Mars and organic compounds on the surface, but it doesn't quite prove there was life ... yet.By Sebastian Martinez | December 17, 2014
So the Curiosity rover has detected methane on Mars. Cue scientific freakout.
For the first time, the rover has seen a spike in the gas in Gale Crater, which means Mars is an active environment. That's why this is newsworthy, despite the fact scientists had already observed methane in the planet's atmosphere from earth. (Video via NASA)
That basically means there's just more stuff happening on the planet and in the planet's atmosphere than previously thought, but that's not why everybody's freaking out.