Mars Was Once Warm and Wet. NASA’s ESCAPADE Is About to Learn What Went Wrong

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world today than it once was. Scientists believe the planet used to have a thicker ...
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NASA’s latest Mars mission could reveal why the red planet dried out

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a frozen desert where even a thin wisp of air struggles to hold on. NASA’s ...