The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

One of the deepest scars on our planet is hidden beneath the Yucatán Peninsula and the Gulf of Mexico. The buried crater, over 90 miles in diameter, was created when a massive asteroid struck the ...

Well, except, of course, for one. Maybe you've heard about the asteroid that killed all the dinosaurs 66 million years ago.

They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.

The Earth bears geologic evidence of past cosmic impacts, such as the 125-mile-wide Chixculub Crater in Mexico’s Yucatan ...

It's very rare that planetary geologists can tell whether it was an asteroid or comet that ... Chicxulub impact crater in the Yucatan Peninsula, Mexico. This impact wiped out 65 percent of all ...

Maybe you've heard about the asteroid that killed all the dinosaurs 66 million years ago. The impact caused the Chicxulub crater, on the Yucatán Peninsula in Mexico. That asteroid was nearly ...

It’s very rare that planetary geologists can tell whether it was an asteroid or comet that hit. One of the most famous of these 200 or so impact craters is the 200 km diameter Chicxulub impact crater ...