The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

Read about the Jurassic extinction event that wiped out many species at the beginning of this Period and led to the rise of ...

Earth has existed for so long ... dinosaurs may have already become extinct during the ongoing extinction processes earlier on in the Cretaceous Period described above. However, it is impossible ...

A new study found dinosaurs were thriving on Earth before asteroid hit, challenging idea they were already in decline before ...

Earth was once ruled by giant reptiles. Tyrannosaurus rex, the king of tyrant lizards, crushed bones. Spinosaurus hunted in ...

Beneath the turquoise waters of the South Pacific hides a massive secret—Zealandia, a sunken landmass stretching nearly two ...

A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction thanks to their lifestyle.

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

Discover how crocodiles survived two mass extinctions thanks to their flexible diets and habitats, according to research.

The investigation began when Charles Helm, a co-author of the study and a scientific advisor at Tumbler Ridge Museum, documented three-toed tracks around Tumbler Ridge, a municipality in the foothills ...

The number of dinosaurs may have been stable before the asteroid impact, despite evidence that species were getting less ...