NASA's OSIRIS-REx has started orbiting asteroid Bennu
The asteroid is now the smallest celestial body orbited by a spacecraft.
OSIRIS-REx spacecraft already found water on its target asteroid
NASA's explorer could provide insights into the early Solar System.
NASA’s OSIRIS-REx spacecraft has arrived at the asteroid Bennu
Its mission is to collect a surface sample and return it to Earth.
A portrait of Earth and the Moon from 3 million miles away
NASA dominated space and social media in 2016
The space agency was a big winner despite funding woes.
NASA's asteroid-bound OSIRIS-Rex launches Thursday
Here's how to follow along with the first stages of a seven-year mission.
ICYMI: NASA hunts for life hidden in an asteroid
Life could have begun with the impact of organic materials.
NASA wants to put your name on a spacecraft headed to an asteroid
Forget those dime-a-dozen "name a star" gifts -- wouldn't you rather put your name on a spacecraft...