Scientists analysing dust from an asteroid have found all the key building blocks needed to create us and all other life on the planet Earth. A Japanese mission found that material collected from the space rock Ryugu, some 200 million miles away, contains all five chemical 'letters' — or nucleobases — that make up the DNA and RNA in every living thing on our world . The samples were collected by Japan’s Hayabusa2 spacecraft in 2018-19 and parachuted back to Earth in December 2020. Because

Tag-uri: DNA