DNA Building Blocks Found in Asteroids: Rethinking Life’s Origins

Analysis of samples from the asteroid Ryugu has revealed all five essential nucleobases of DNA and RNA—findings also mirrored in Bennu.

This discovery suggests that life’s fundamental ingredients may be widespread across the solar system.

In this episode, we explore the role of ammonia in their formation, the chemistry of space, and how carbon-rich asteroids may have delivered key organic compounds to early Earth.

This episode includes AI-generated content.