On Mars, NASA Rover Finds Evidence of Water That Could Have Supported Life

The Mars rover Opportunity has sent back clear evidence that liquid water once soaked the region the rover is exploring and would have provided a good haven for life, if it existed on the Red Planet.

"We believe at this place on Mars, for some period of time, it was a habitable environment," said Steven W. Squyres, a professor of astronomy at Cornell University and the principal investigator of the Mars Exploration Rover mission. He revealed the findings at a news conference here last

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