As an asteroid mining start-up's latest mission goes awry, Josh Sims looks at how close we really are to extracting rare minerals from the many celestial bodies above us.

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant impact on Mars.

The asteroids were discovered with the help of more than 8,000 volunteers. Those volunteers tirelessly checked over 430,000 images captured by the Dark Energy Camera (DECam) that is attached to ...