Mars rover may have picked up signs of organic compounds
Tuesday, December 4, 2012 - 00:00
in Astronomy & Space
Scientists emphasize that they aren't sure what to make of the results in an announcement capping days of speculation about Curiosity's findings.NASA's Curiosity rover has picked up intriguing signs of organic compounds in the Martian soil, but the key ingredient — carbon — may have been a castaway from Earth, scientists said Monday.