NASA / Goddard / University of Arizona
Gianluca Masi / Virtual Telescope Project
Planetary Resources (via Google+/YouTube)
Gianluca Masi / Virtual Telescope Project /
A fireball streaking across the Northern California sky Friday night brought a flood of witness reports -- the same day that a meteor...
Yekaterina Pustynnikova / AP /
Stephen Brashear / Getty Images /
During this week's close encounter with Earth, astronomers tracked the aircraft-carrier-sized asteroid 2005 YU55 with radar instruments,...
Bill Merline / SwRI / W.M. Keck Observatory /
Clay Center Observatory /
The team behind NASA’s Dawn probe has released a video showing the asteroid Vesta spinning in space with a mysterious shadowy spot on its...