NASA finds clearest sign of life on Mars: US space chief reveals discovery 30 years in the making

NASA has announced the discovery of what it believes to be ancient microbial life on the Martian surface. The new administrator for the space agency, Sean Duffy, said a sample collected by the Perseverance rover has been declared the 'clearest sign of life' ever found on the Red Planet. In a Wednesday news conference, NASA's Associate Administrator Nicky Fox said: 'This is the kind of signature that we would see that was made by something biological.' Specifically, researchers have been looking at unusual spots and seed-like shapes in ancient Martian rocks that might point to the existence of tiny life...