Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

Researchers say the latest discovery is particularly significant because tryptophan has never before been detected in ...

NASA’s OSIRIS-APEX spacecraft has captured breathtaking images of Earth as it passed by the planet on September 23, 2025, ...

NASA’s OSIRIS-APEX spacecraft captured Earth and moon images during a gravity-assist flyby, confirming instrument functionality and maintaining course for its 2029 encounter with asteroid Apophis.

The probe flew 3,438 kilometres above Earth during its swing. It moved closer than several high-orbit satellites circling the ...

Jose Aponte, an astrochemist in the Astrobiology Analytical Laboratory at NASA's Goddard Space Flight Center and co-author of ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

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. The asteroid appeared as a speck ...

The OSIRIS-REx mission to asteroid Bennu launches in six days. Bennu is the Goldilocks of asteroids — not too small, not too far away and made of just the right stuff. Of the more than 500,000 ...