This mineral-rich asteroid might have carried the seeds of life. Planetary scientists have discovered organic matter essential to life in dust and rock retrieved from an asteroid known as Bennu. The finding supports the theory that near-Earth asteroids,

A NASA spacecraft has returned asteroid samples that hold not only the pristine building blocks for life but also the salty remains of an ancient water world.

Samples of asteroid Bennu contain molecules that suggest the "conditions necessary for life" were widespread across the early solar system, according to NASA.