We keep finding the raw material of DNA in asteroids—what’s it telling us?

On Monday, a paper announcing that all four DNA bases had been found on an asteroid sparked a lot of headlines. But many of ...
Smithsonian Magazine

Life’s Genetic Code Requires Five Key Ingredients. The Asteroid Ryugu Has All of Them, a New Study Suggests

The findings further hint that space rocks may have brought the building blocks of RNA and DNA to Earth long ago ...