The meteor fragments returned by OSIRIS-REx shed light on the entwined history of water and the chemical ingredients of life in the solar system.

When exposed to formaldehyde, which was also detected, ammonia can form amino acids, the building blocks of proteins. According to the study in Nature Astronom y, the team also found 14 of the 20 ...

Asteroid Bennu seems to have come from a long-lost world on the fringes of the solar system, where saltwater pooled and dried ...