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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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.

Computer simulations have revealed that a vast region of the Yucatan Peninsula, Mexico, may have behaved like a fluid during the formation of the Chicxulub impact crater. Gareth Collins, a ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

The researchers are not the first to propose that the space rock belonged to a group of asteroids that formed beyond the orbit of Jupiter. Their findings, however, strengthen the case thanks to a rare ...

The mighty dinosaurs may have been done in by dust, according to a new study in Nature Geoscience. For decades, scientists have known that a giant asteroid smashed into what is now the Yucatán ...

Dust might have been responsible for the deadly dinosaur-killing global winter that came after an asteroid slammed into Earth 66 million years ago, finds a study published on 30 October in Nature ...

That killed T. rex? Berkeley team says it was it was a space impact after all. Feb. 7, 2013 — -- Go digging with dinosaur hunters and they will show you that the last of the Cretaceous beasts ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The asteroid likely responsible for wiping out roughly 75-percent of ...

We may finally have figured out where the asteroid that killed the dinosaurs actually came from. The discovery pinpoints the impactor's origins and reveals key insights into its chemical composition, ...

Artist's rendering of the Chicxulub asteroid entering Earth's atmosphere 66 million years ago, triggering events that caused a mass extermination. Roger Harris/Science Photo library via Getty Images ...