Approximately 50,000 years ago, an iron-nickel meteorite estimated to be 30-50 meters wide survived Earth's thick atmosphere ...

Resolution Copper wants to dig up a massive amount of copper ore beneath Oak Flat inside the Tonto National Forest. And by ...

Meteor Crater was created more than 50,000 years ago by a massive meteor strike near Winslow, Arizona. Visitors can experience the 550-foot-deep and nearly mile-wide cavity from an air-conditioned ...

Some 50,000 years ago, a meteor struck near what is now Flagstaff, Arizona, leaving a 560-foot-deep crater. More recently, an ...

Many of the meteoritic fragments around Arizona's Meteor Crater (and also three other meteorites) contain bits of diamond. These inclusions provide information on the history of the meteorites ...