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 samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...

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