NASA announces Mars rock as a potential biosignature

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Mars rock as a potential biosignatureNASA scientists gathered for a press conference this morning (September 10, 2025) to discuss a Mars rock they call Sapphire Canyon. The Perseverance rover drilled this rock sample from a place on Mars thought to be an ancient river delta. Fox said:We think they are potentially made by some form of ancient life. Will NASA greenlight the Mars Sample Return mission? Bottom line: NASA said at a press conference on September 10, 2025, that a Mars rock explored by the Perseverance rover is a potential biosignature.