A new study suggests meteor impacts may have created hydrothermal systems on early Earth, offering a possible setting for the ...

Arizona's Meteor Crater and other scars leftover from collisions with space rocks continue to serve up their secrets. Meteor Crater formed some 50,000 years ago. It represents the best preserved ...

A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park. Geologists studying driftwood and lake ...

A peer-reviewed study published in the journal Geology proposes that the same asteroid strike that carved Arizona’s Meteor Crater roughly 50,000 years ago also triggered a massive landslide inside the ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

The Silverpit crater mystery in the North Sea appears to have been solved. Scientists say it was formed by an asteroid 43 ...

Doomsday meteors get a bad rap. For decades, these poor rocks have been tarnished in the press and demonized in major ...

For more than 20 years, the Silverpit Crater deep under the North Sea has been the center of a heated scientific controversy. Some geologists were adamant that an asteroid produced the nearly-perfect ...

A quiet hillside in southern China holds the mark of something that arrived with enormous force from far beyond our planet. The Jinlin crater, tucked into the low mountains of Guangdong Province, ...

This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...