Photos: Mars rover Curiosity
March 12th, 2013
02:38 PM ET

NASA: Yes, Mars could have hosted life

By Elizabeth Landau, CNN

Curiosity, humanity's most powerful rover  to land on Mars, has made a startling discovery: Conditions that could have supported life once existed there.

"We have found a habitable environment that is so benign, and supportive of life, that probably if this water was around and you had been on the planet, you would have been able to drink it," John Grotzinger, Curiosity project scientist at the California Institute of Technology in Pasadena, said in a Tuesday news conference.

This discovery is based on the chemical analysis of powder that the rover recovered by drilling a hole in a rock. This was the first time a robot sent from Earth had drilled on another planet.

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Filed under: In Space • Mars

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