Search for Alien Life Needs Human Mars Missions

Ellen Stofan, current NASA chief scientist, said sending humans to Mars would be a powerful step in the search for life beyond Earth. "I am someone who believes it is going to take humans on the surface

By Calla Cofield Space.com 12-9-16

[of Mars] … to really get at the question of not just did life evolve on Mars, but what is the nature of that life," Stofan said at a scientific workshop in Irvine, California, hosted by the National Academy of Sciences. "To me, we're going to go Mars because Mars holds the answers to such fundamental scientific questions that we're trying to ask."

The workshop, titled "Searching for Life Across Space and Time," drew together leading scientists who are, through various avenues, working to find signs of alien life in Earth's solar system and beyond. Stofan has argued before for the scientific benefits of a human mission to the Red Planet.

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