'Asteroid Day' is a good time to learn about the threat of space rocks
We only know of around one percent of the asteroids lurking in our solar system
NASA is reviewing candidates for its next Solar System mission
It aims to launch the mission it chooses in 2024.
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.
NASA's asteroid-bound spacecraft will blast off in September
OSIRIS-Rex is heading towards near-Earth asteroid Bennu.
NASA's asteroid explorer faces tests that simulate space
OSIRIS-REx has to pass a regimen that includes extreme cold and vacuum.
OSIRIS-REx is complete and will collect asteroid samples in 2016
It will also help NASA develop a mission to prevent end-of-the-world movies from becoming real-life situations.
Asteroid-bound spacecraft gets its first scientific instrument
NASA has begun attaching scientific instruments to the OSIRIS-REx probe, just over a year before i...
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...