NASA Mars Exploration Program

Mars may not have the water we thought it did, study shows

Mars may not have the water we thought it did, study shows

When it comes to signs of flowing water on Mars, planetary scientists might be getting left high and dry. New research reveals that mysterious dark streaks long thought to be signs of seasonal water activity might actually just be caused by dry sand.

The findings, described in the journal Nature Geoscience, indicate that the idea that microbial life might exist on the planet today may not hold water.

Scientists believe our rusty, dusty neighbor once had an atmosphere capable of supporting puffy clouds and bodies of liquid water. If this habitat lasted long enough, it could have allowed for...

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