The findings suggest that mass extinctions are not always caused by a single dramatic event.

When the asteroid finally reached Earth, those near the impact site would have seen a blinding fireball, heard a deafening ...

An artist's imagining of a saprotrophic fungus. (Juan Gaertner/Science Photo Library/Getty Images) In the wake of the ...

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, flying at 27,000 mph (43,000 km/h), slammed directly into Earth. The impact ...

Sixty-six million years ago, a colossal asteroid, about 10km in diameter, struck Earth in the area of what is now the Caribbean, triggering instantaneous and catastrophic changes that led to the ...

A closer look at the asteroid that killed the dinosaurs ...

Scientists studied ancient fungal spores and discovered Earth may already have been under stress before the asteroid wiped out the dinosaurs.

Flowering plants survived Earth’s worst disasters, including the asteroid strike that ended the dinosaurs, while many others ...

The Cretaceous Era—roughly 145 to 66 million years ago—was the last hurrah of the dinosaurs. A massive asteroid impact brought them to a violent end, but there’s more to the story. The Cretaceous ...

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in New Mexico said Thursday in the journal Science. Experts have long debated ...

New analysis shows several families of dinosaurs were likely thriving in North America in the latter days of the dinosaur era. Reading time 3 minutes Diversity is central to one of the biggest ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...