Mars rover Archives - TPR: The Public's Radio

On Earth, lightning can occur in turbulent clouds of volcanic ash. Now researchers have found evidence of sparks in Martian dust devils.

NPR

At long last, the mystery of lightning on Mars is solved

by Nell Greenfieldboyce November 26, 2025November 26, 2025

A chance discovery by a NASA rover on Mars shows that the red planet has a form of lightning, which researchers had suspected for decades but never seen.

NASA's Perseverance Mars rover captured this image of a rocky area nicknamed "Cheyava Falls" on July 18, 2024, showing black "poppy seed" and larger "leopard spot" features. Researchers say a sample from the site reveals a tantalizing mix of details suggesting the potential presence of life, billions of years ago.

NPR

Life on Mars? NASA says a rock sample shows potential signs of ancient life

by Bill Chappell September 10, 2025September 10, 2025

Ancient organisms may have left microscopic “biosignatures” on Mars. That’s according to NASA scientists, who say a rock sample offers the most concrete proof yet that the red planet once hosted life.

NPR

NASA hedges its bets on costly Mars rock mission

by Nell Greenfieldboyce January 7, 2025January 7, 2025

NASA has announced it is moving forward with several plans to return rock samples from Mars.

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