News Space

Most of Mars’ missing water may lurk in its crust

That may explain why so little H2O is seen escaping into space to dry out the Red Planet

illustration of mars if it had surface water

Billions of years ago, Mars was a watery world (illustrated) like Earth. But over time, much of the Red Planet’s water has gotten locked up inside its crust, a new study shows.

GSFC/NASA

By Maria Temming

- More than 2 years ago

An ocean’s worth of water may be lurking in minerals below Mars’ surface, which could help explain why the Red Planet dried up.