Scientists detected all five nucleobases -- building blocks of DNA and RNA -- in samples returned from asteroid Bennu by NASA's OSIRIS-REx mission.
Asteroid Bennu seems to have come from a long-lost world on the fringes of the solar system, where saltwater pooled and dried ...
Discover the fascinating findings from asteroid Bennu: pristine salt minerals reveal the presence of liquid water in the ...
This story incorporates reporting from Yahoo, Space on MSN.com and MSN.NASA astronaut Suni Williams set a new record with a ...