A new study suggests a meteor strike that created Arizona’s Meteor Crater 56,000 years ago may have triggered a massive ...

New research links the impact at Meteor Crater to a Grand Canyon landslide that may have created an ancient lake 56,000 years ...

The paper suggests that a dam created a 50-mile-long, 300-foot-deep paleolake with beavers' tracks in caves above the river, indicating a significant geological event possibly related to Barringer ...