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

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

The study says dinosaurs were not doomed before the asteroid impact. Dinosaurs could have been roaming Earth today if it wasn't for the asteroid, says a new study, as it suggests their existence ...

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

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

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

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

A bizarre two-clawed dinosaur found in Mongolia reveals rare claw preservation and offers new insight into therizinosaur ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...