Another example not recorded in human history was an object believed to have been about 50 meters in diameter, a massive chunk of iron that formed the Barringer meteor crater in Arizona.

Meteor Crater & Barringer Space Museum is located about 40 miles east of downtown Flagstaff. The site is open from 8 a.m. to 5 p.m. during the winter and from 7 a.m. to 7 p.m. in the summer.

Scientists in Australia have discovered the world's oldest known meteorite impact crater thanks to pristine structures created by the blast in the rock. Hidden away in the country's outback ...