Origin Of Life

Those most ancient Greenland “fossils” are not really life, new team says

Getting it right is important for the search for life on Mars: Found in 3.7-billion-year-old rocks in Greenland, the mounds strongly resemble cone-shaped microbial mats called stromatolites, researchers reported in 2016. But a new analysis of the shape, internal layers and chemistry of the structures suggests that the mounds weren’t shaped by microbes but by […]