New research in Sweden has uncovered perplexingly high methane emissions coming from the largest meteorite crater in Europe. The Siljan Ring is a prehistoric impact structure in central Sweden that ...

The crater was first noticed because of a strange dip in Earth’s gravitational field. Back then, ground-based surveys using ...

The Canadian Meteor Crater An account of the discovery and exploration of the two-mile crater on the barrens near Hudson Bay. If it is conclusively shown to be meteoritic, it is the largest yet ...

The Madison County residents were traveling through Winslow when they stopped at the site of the asteroid impact museum along Interstate 40.