The discovery of a massive crater formed by the impact of a meteorite more than 3.5 billion years ago is changing the way ...

An asteroid that size, moving at 20 miles a second, can punch out a crater more than a mile wide, slamming into Earth with 80 megatons of energy, more than the largest hydrogen bomb ever exploded.

Cores extracted from the impact crater revealed evidence of an ancient, life-nurturing hydrothermal system in the wake of the ...

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 ...