The Chicxulub impactor, as it is called, was somewhere between 10 and 15 kilometres in diameter. The collision was devastating: rocks from deep within Earth’s crust were raised 25 kilometres ...

Scientists have found an extraordinary snapshot of the fallout from the asteroid impact that wiped out the dinosaurs 66 million years ago. Excavations in North Dakota reveal fossils of fish and ...

Volcanic activity in India altered the climate but didn't kill the dinosaurs; the Chicxulub meteorite did, by triggering an ...

The Chicxulub impactor struck a carbonate platform on Earth, which released sulfur into the atmosphere. The emissions formed aerosols that caused a sharp, extreme drop in surface temperatures.

For many, the matter is settled – and there’s a huge crater down in Mexico to act as evidence. However, a minority of experts ...

But in the inferno, when the Chicxulub impactor landed, Goderis said, “you probably wouldn’t have had the time for a good sniff.” Impacts of the scale of Chicxulub happen only every 100 ...

The scientists therefore conclude that the meteorite impact was the ultimate cause of the dinosaur extinction event. What killed off the dinosaurs—was it the Chicxulub meteorite or did the effects of ...

This pales in comparison to the size of the 6- to 9-mile-wide (10 to 15 kilometers) Chicxulub impactor that wiped out the dinosaurs, but they would still pack a significant punch. Their small size ...

Related: Earth vulnerable to major asteroid strike, White House science chief says The larger of the two asteroids, which was still smaller than the Chicxulub impactor that wiped most dinosaurs ...

That's on the order of the average lifetime of a mammalian species since the Chicxulub impact ended the dinosaurs, about 3 million years. Other planets have higher D/H values, like Venus and Mars ...