Ostriches descend from a group of birds that arose in the late Cretaceous period and somehow lived through a mass extinction event ... a copy of Grande’s latest book, simply titled Curators.

These two ideas have fueled debate for decades and even appear in modern children’s books about dinosaur history ... sulfate-driven cooling event ~30 kyr before the Cretaceous–Paleogene mass ...

Several factors contributed to the survival of crocodiles, turtles, lizards and birds 66 million years ago, say our readers ...

Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the ...

The species met its demise during the Cretaceous-Tertiary extinction event (known as the KT extinction) that also wiped out the dinosaurs, experts say. “A meteorite big enough to be called a ...

Explore the age of the dinosaurs. Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous Period. Non ...