Chile desert combed for clues to life on Mars
Chile’s Atacama desert may seem to contain little besides red-grey rocks and sand — but scientists are busy searching here for clues to life in a place it much resembles: Mars. This desert in northern Chile, like the red planet, is hot, dusty and extremely dry.
Yet life exists here: tiny algae and bacteria that have evolved to survive in the parched earth on little more than sunlight. If they have done it here, then why …read more
