NASA Curiosity Scientist Ashwin Vasavada discusses human missions to Mars

Looking at photos of the surface of Mars as a kid, NASA scientist Ashwin Vasavada says he viewed Mars as exotic, but not that exotic. And when you think about it, that description makes a lot of sense; after all, Mars is likely to be the first planet in the galaxy (other than Earth, obviously) to host a human… » 10/18/12 12:39pm 10/18/12 12:39pm

Three Life-On-Mars scenarios, as described by NASA Curiosity Scientist Ashwin Vasavada

Is there (or was there ever) life on Mars? In this great little video — produced by the folks over at thinkrtv — Dr. Ashwin Vasvada, NASA's Deputy Project Scientist for the Mars Curiosity mission, presents three theories surrounding life on the Red Planet, and describes how rovers like Curiosity are helping us paint… » 10/09/12 10:40am 10/09/12 10:40am