Evidence of life on Mars may still be out there—but the likelihood that proof is inside a 4-billion-year old meteorite that crashed to Earth decades ago just got slimmer.
NASA’s Perseverance Rover and Ingenuity helicopter have been exploring the Red Planet since touching down in February. WSJ’s Robert Lee Hotz and NASA's Jennifer Trosper explain what the mission has accomplished and what it hopes to accomplish next. Photo: NASA/JPL-Caltech
Organic compounds found in the 4-pound rock were formed by water, probably brackish or briny, flowing through the meteorite, according to a study published Thursday in the journal Science.
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