Day in Review: NASA Discovery Reveals Complex Water Systems on Early Mars

A new study reveals that Jezero Crater’s enigmatic ‘Margin Unit’ was shaped by a complex sequence of ancient lakes, groundwater... 

Missions __ News __ Galleries __ Events September 21, 2026 Mars NASA Discovery Reveals Complex Water Systems on Early Mars A new study reveals that Jezero Crater’s enigmatic ‘Margin Unit’ was shaped by a complex sequence of ancient lakes, groundwater systems, and hydrothermal fluids. Full Story MARS | SKYFALL A View from Martian Skies An artist's concept of SkyFall Mars helicopters collecting data while flying over the surface of the Red Planet. Read More JPL: CELEBRATING 90 YEARS OF REACHING FOR THE STARS

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