Samples contain all five nucleobases of DNA and RNA, supporting theory that asteroids may have seeded Earth with life's ...
NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission.
Japanese scientists detected all five nucleobases — building blocks of DNA and RNA — in samples returned from asteroid Bennu ...
The building blocks of DNA have been found in samples returned to Earth from an asteroid, suggesting life rained down from ...