When scientists sifted through dust from asteroid Bennu and spotted tryptophan, the same amino acid often blamed for post‑Thanksgiving drowsiness, they were not just adding a quirky space fact to the ...

JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA.

Add Yahoo as a preferred source to see more of our stories on Google. A mosaic of Bennu created from observations made by NASA’s OSIRIS-REx spacecraft, which was in ...

Scientists studying samples from the asteroid Bennu have uncovered a surprisingly complex chemical landscape at the tiniest ...

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 ...