Nasa's Curiosity rover finds water below surface of Mars
by Hannah Devlin, science correspondent from on (#6ZFK)
New measurements from the Gale crater contradict theories that the planet is too cold for liquid water to exist, but Mars still considered hostile to life
Mars has liquid water just below its surface, according to new measurements by Nasa's Curiosity rover.
Until now, scientists had thought that conditions on the red planet were too cold and arid for liquid water to exist, although there were known to be deposits of ice.
Related: Methane on Mars: does it mean the Curiosity rover has found life?
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