Perseverance’s radar revealed ancient subsurface river delta on Mars

Ars Technica
By Jacek KrywkoMar 20, 2026, 1:18 pm72 ptsTrending
When NASA’s Perseverance rover landed in Jezero Crater in 2021, its primary mission was to scour the remnants of a dried-up Martian lakebed for signs of ancient life. Scientists have been focused on the crater's spectacular Western Delta, a fan-shaped geologic feature deposited by a river flowing into the…

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