NASA, Ancient Life On Mars, Curiosity, Life On Mars, Mars Rover Curiosity, Curiosity Rover, Signs Of Life On Mars, Science News
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At a press conference Tuesday, scientists revealed NASA's Curiosity rover has uncovered signs that ancient Mars had the essential elements necessary for supporting life.
A rock sample analyzed by Curiosity in February contained sulfur, nitrogen, hydrogen, oxygen, phosphorous and carbon, critical building blocks for a living organism. An ancient streambed, analyzed in September, also contained minerals likely to have formed in the presence of "relatively fresh water," according to a written statement from NASA.
"We have characterized a very ancient, but strangely new 'gray Mars' where conditions once were favorable for life," said John Grotzinger, Mars Science Laboratory project scientist at the California Institute of Technology in Pasadena, Calif., in the statement. "Curiosity is on a mission of discovery and exploration, and as a team we feel there are many more exciting discoveries ahead of us in the months and years to come."
"A fundamental question for this mission is whether Mars could have supported a habitable environment," added Michael Meyer, lead scientist for NASA's Mars Exploration Program in Washington. "From what we know now, the answer is yes."
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