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 ...

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

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 ...

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Scientists have created a new map of "mega ripples" on the seafloor caused by the Chicxulub asteroid impact that wiped out the dinosaurs, revealing further the events that led to the devastating mass ...

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 ...

In all, 75% of Earth's species went extinct, including the nonavian dinosaurs. So how did some animals ‪—‬ including species ...

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 ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from the carcass of a dead horned dinosaur, Triceratops, that she was feeding on ...