The Hoba meteorite weighs about 60 metric tons and has never been moved. It lies on a farm in Namibia, right where it fell roughly 80,000 years ago. It's the largest known intact meteorite on Earth, ...
A powerful new telescope spots an unusually large asteroid spinning faster than thought possible, challenging long held ideas ...
Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...