The OSIRIS-REx program is scheduled to wind down at the end of the fiscal year on September 30, 2025. But people will keep studying the samples. They’re at NASA, they’re available for research. It’s ...

Earth lives in a shooting gallery, with small and large rocky bodies in abundance in our solar system. Are we in danger of ...

Asteroids are small rocky bodies that travel around the Sun. They are much smaller than planets. They are very important because they can give us clues about the early composition of the Solar System.

The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

OSIRIS-REx is short for Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer. It launched in September 2016 for the seven-year mission to Bennu and back.

Astronomers estimate that an asteroid this large comes this close to Earth only about once every 7,500 years. It also appears to be a stony, non-metallic type of asteroid known as an ordinary ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...