Perseverance Reveals Ancient River Delta on Mars

By The BriefBrief

NASA's Perseverance rover has detected an ancient subsurface river delta on Mars using radar technology.

WHO: NASA

WHAT: discovered an ancient subsurface river delta

WHEN: Mar 20, 2026 at 1:18 PM ET

WHERE: Mars

WHY: to explore the planet's geological history

Sources (1): Ars Technica

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