Dark Streaks On Mars Could Be Water -- The Telegraph
Dark finger-like channels stretching across the surface of Mars could be streams of salty water running down the sides of craters, scientists have claimed.
The clusters of trails, which fade during winter and reappear in warmer months, could prove to be the first solid evidence of liquid water currently existing on the red planet.
Scientists are convinced water probably flowed across the surface of the planet at some distant point in history, but have only been able to detect samples of frozen water near the surface.
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