Roughly 50,000 years ago, a massive iron meteorite slammed into what is now northern Arizona, creating one of the most ...
Researchers continue to extract fresh scientific findings from Barringer Meteorite Crater in Arizona, a bowl-shaped depression carved by a space rock roughly 50,000 to 60,000 years ago. Recent ...
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 ...