NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.
Climate Compass on MSN
NASA says Mars rock shows the strongest evidence yet that ancient life may have existed
For decades, scientists have wondered whether life ever existed beyond Earth. Now, a discovery on Mars might finally bring us ...
Morning Overview on MSN
Half-finished Pompeii room reveals the secret of Roman concrete
When excavators stepped into a half-finished living room in Pompeii, they were not just walking into a frozen renovation, ...
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