In this digital rendering, OSIRIS-REx extends its sampling arm as it moves in to make contact with the asteroid Bennu. NASA/Goddard Dante Lauretta grew up hiking and camping in the Arizona desert ...

The OSIRIS-REx mission's samples from asteroid Bennu have revealed evidence of alkaline brines and observation of 14 of the 20 amino acids and all of the DNA and RNA nucleobases, suggesting ...

After a series of high-stakes maneuvers performed more than 200 million miles from Earth, NASA’s OSIRIS-REx spacecraft has successfully stowed its precious samples of the asteroid Bennu. The ...

OSIRIS-REx is scheduled to arrive at Bennu in two years, then spend a year surveying the asteroid before collecting a sample that will be returned to Earth for analysis.

Nearly two years after launch, the University of Arizona-led OSIRIS-REx mission caught its first glimpse of the asteroid Bennu on Aug. 17 from 1.4 million miles away.

L-carnitine supplements may produce energy for workouts, improve heart health, and help PCOS symptoms. Dietitians explain whether you should take it.

Should I take L-carnitine or a full amino acid supplement? Whether you take L-carnitine or a full amino acid supplement depends on your goals, diet, and current health status.

Apex predators, like the Tyrannosaurus rex, eventually arose from smaller-bodied tyrannosauroid dinosaurs called Khankhuuluu mongoliensis, the study's researchers said.