In 1993, scientists identified a massive impact crater in the United States that dwarfed the Grand Canyon. ... USA, is one of the best-preserved impact craters on Earth.

Barringer Crater (often called Meteor Crater), is located near the city of Winslow on Route 66 in Arizona, US, and was the first crater confirmed to have been caused by an extraterrestrial impact ...

Instead, the impact seems to have vaporized the crater’s sulfur-bearing rocks, backing up past work that suggests the event released as much as 325 gigatons of sulfur.

If the impact event had occurred 200 million years earlier, then erosion processes would have wiped out the crater by now, according to the new research. To scientists today, it would have looked ...

New images of an asteroid impact crater buried deep below the floor of the Atlantic Ocean have been published by researchers at Heriot-Watt University. The images confirm the 9km Nadir Crater ...