Nordlingen is no ordinary German town. With its red roofs, church towers, and ring of ancient walls, it wears its medieval ...

NASA's Mars rover Opportunity is just days away from arriving at the edge of a huge crater after a years-long trek on the Red Planet. Subscribe to read this story ad-free Get unlimited access to ...

Look up at a full Moon on a clear night and you are staring at a face that has been punched, gouged, and battered for four billion years.

Add Yahoo as a preferred source to see more of our stories on Google. Yellowstone's volcanic history is marked by three massive eruptions over the past 2.1 million years, creating a vast caldera and ...

Hidden beneath the Antarctic ice, the Wilkes Land crater is a colossal depression that may be the largest impact crater on ...

The Meteor Crater near Winslow, Arizona, is seen from a plane Januray 30, 2017. The Meteor Crater, sometimes known as the Barringer Crater and formerly as the Canyon Diablo crater, is a famous impact ...

New photos of a huge crater on Mars suggest water may lurk in crevices under the planet's surface, hinting that life might have once lived there, and raising the possibility that it may live there ...

Researchers have dated the enormous Hiawatha impact crater, a 31-kilometer-wide meteorite crater buried under a kilometer of Greenlandic ice. The dating ends speculation that the meteorite impacted ...

According to an AP news release, Turkmenistan's President Gurbanguly Berdimuhamedow appeared on state television telling officials to put out the flames at the "Gates of Hell," a giant natural gas ...