All of the bases in DNA and RNA have now been found in meteorites
The discovery adds to evidence that suggests life’s precursors came from space
![meteorite](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/04/042522_LK_meteorites_feat.jpg?fit=1030%2C580&ssl=1)
A 2-gram chunk from this rock — a piece of the meteorite that fell near Murchison, Australia, in 1969 — contains two crucial components of DNA and RNA now identified for the first time in an extraterrestrial source, researchers say.
NASA