Perseverance Finds Organic Carbon Preserved Just Beneath the Martian Surface

Perseverance has found shallow preserved organic carbon on Mars, raising new questions about ancient Martian environments. Mars keeps offering clues that are promising enough to study, but not definitive enough to settle the biggest question. In September of last year, NASA reported that its Perseverance rover had found a potential biosignature, a substance or structure [...]

from SciTechDaily https://ift.tt/2Mbu7S8