NASA has announced that its Perseverance Mars rover spotted "potential biosignatures" in an ancient dry riverbed last year. Samples collected from a rock dubbed "Cheyava Falls" contain a structure that hints at the possibility of having a biological origin, according to the space agency, but more research needs to be completed to draw any conclusions about the presence of life on the Red Planet. "The identification of a potential biosignature on the Red Planet is a groundbreaking discovery, a...
