https://www.vice.com/en_us/article/z3bxdj/the-oldest-material-discovered-on-earth-is-7-billion-year-old-literal-stardust > Scientists have identified the oldest material ever found on Earth inside a space rock that crashed into Australia more than a half-century ago. > The meteorite is filled with tiny grains of ancient stardust that predate the birth of the Sun and our solar system by more than two billion years, according to a study published on Monday in Proceedings of the National Academy of Sciences.