About 66 million years ago, a city-size asteroid slammed into what is now the Yucatán Peninsula, ushering in a long period of darkness that snuffed out the nonavian dinosaurs. Researchers have long ...

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66 million years ago, a large asteroid crashed into Earth near Mexico's Yucatán Peninsula, sparking a frigid global winter that led to the mass extinction of dinosaurs who had reigned over the planet ...

A new study has analyzed asteroid dust recently discovered in the Chicxulub asteroid crater. The findings further support the theory that the dramatic impact was the cause of the mass extinction event ...

Researchers say they’ve discovered a large impact crater on the Atlantic seafloor that appears to be 66 million years old. That means whatever made this crater would have hit Earth around the same ...

Some 66 million years ago, an errant asteroid wiped out three-quarters of all plant and animal species on Earth, most notably taking down the dinosaurs. That has long been the scientific consensus.

The massive asteroid impact that killed the dinosaurs also triggered mega-earthquakes that lasted months. Around 66 million years ago, an asteroid approximately 6.2 miles (10 kilometers) across ...

The space rock responsible for wiping out the dinosaurs was so powerful that it set fire to forests more than 1,500 miles away, new research shows. Around 66 million years ago, a mass extinction event ...

The Chicxulub impact on the Yucatan Peninsula is believed to have led to the death of the dinosaurs some 65 million years ago. A newly discovered impact crater in the Atlantic Ocean hints at the ...