Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its surface. So, ...
Morning Overview on MSN
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 ...
AUSTIN (KXAN) — The discovery of life on Mars is a tad closer than ever before. This month, NASA announced the discovery of signs of life on the red planet in deposits of clay and silt in a canyon.
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