Tag: RNA

Two chemical molecules required for living beings have been discovered in samples recovered from the asteroid Ryugu, supporting the theory that certain components required for the emergence of life arrived on Earth billions of years ago onboard space rocks. On Tuesday, scientists announced the discovery of uracil and niacin in rocks collected by the Japanese Space Agency's Hayabusa2 spacecraft from two sites on Ryugu in 2019. Compound Containing Living Organism's Cells Uracil is a nucleobase, which means it contains nitrogen. It is one of the five nucleobases found in DNA and RNA,...