A big question in the origin of life on Earth is why it is based solely on "left-handed" amino acids. Studies on asteroid Bennu's chemical building blocks deepens the mystery. When NASA launched a ...

NASA has confirmed that dust from the ancient asteroid Bennu contains tryptophan, an amino acid tied both to human mood and to the chemistry that makes life possible. The finding folds a familiar ...

This figure illustrates key molecules and minerals discovered in samples of near-Earth asteroid (101955) Bennu, which were delivered to Earth by NASA’s OSIRIS-REx mission in September 2023. Bennu is a ...

(CNN) — Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about ...

Analysis of samples from asteroid Bennu has revealed objects resembling chondrules, though not identical to those found in meteorites, suggesting greater asteroid diversity than previously understood.

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about every six ...