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Scientists discover liquid water on Mars

Credit: Canadian Space Agency/NASA/JPL-Caltech/MSSS/Steve Hersey/Juliux

Images captured by rover cameras show new evidence of liquid water on Mars. This new evidence had not yet been discovered because a beaver's dam is retaining all the water in a valley hidden by a mountain, making it undetectable to satellites...


Liquid water on Mars is, in fact, very probable, but still hasn't been directly observed. In , however, signatures of hydrated minerals were detected on slopes with mysterious streaks on Mars's surface. These features, known as recurring slope lineae (RSL), have often been pointed to as possible evidence of liquid water.

The new findings of hydrated salts on these slopes indicate that the source of the hydration is quite likely RSL, which implies that liquid water may be present on the red planet.

And by the way, no animal life has ever been found on Mars—not even beavers!

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