Despite increasing evidence that water flowed on Mars billions of years ago, scientists have been mystified by what happened to the thick, carbon dioxide–rich atmosphere that must have once kept that ...
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Scientists find Mars was habitable 3.9 billion years ago, much sooner than thoughtEvidence indicates that Mars may have hosted life billions of years ago. Mars is now cold ... but these small fields become ...
If extreme challenges are your cup of tea, NASA has the perfect opportunity for you. The space agency put out a call on ...
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Dozens of samples of rock and sediment collected from Mars that could be used to detect ancient microbial life could be returned to Earth as soon as 2035 and as late as 2039, depending on the course ...
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