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

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

More of the ingredients for life have been found in meteorites.