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 massive meteor struck near Manson, Iowa, 74 million years ago, creating the U.S.'s largest impact crater and reshaping the ...
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 ...