One of the things the Mars rover will look for is organic molecules that could at least indicate whether there was once life on the Red Planet. But if searching for life in outer space is the goal, many scientists now say we might have better luck elsewhere — specifically one of Saturn's moons, Enceladus.
Rock climbing is not on the list of sports at this summer’s Olympic Games in London. But for many Coloradans, rock climbing is a natural test of one’s athleticism—and wits. For one recent computer science graduate, rock climbing not only got him through school, but it became a topic of academic study.
NPR's Joe Palca will be at NASA's Jet Propulsion Laboratory in California to monitor the Mars mission landing Sunday night at 10:30 p.m. PDT. Palca talks with guest host Linda Wertheimer about the Mars landing and purpose of the mission.