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

How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for decades been a source of debate among paleontologists faced with fragmented ...

Stegosaurus, Allosaurus and Diplodocus are among the Jurassic Period’s most famous faces. But how dinosaurs went from a small and unimportant group of reptiles to ruling our planet for millions of ...

Before there were birds pterosaurs ruled the skies, soaring above the dinosaurs below. But only recently has the secret of ...

A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...

Our dinosaur expert Dr Susie Maidment and fossil plant expert Dr Paul Kenrick explore what the world was like back then and the animals and plants that called our planet home. The Cretaceous is a ...

“The fate of the dinosaurs and many other species was sealed ... larger than 90% of space rocks—safely passes our planet. It will pass just 19,635 miles (31,600 kilometers) from Earth ...

According to scientists who maintain that dinosaur extinction came quickly ... common in asteroids and in molten rock deep within the planet. Scientists have discovered levels of iridium 30 ...

By about 200 million years ago, however, dinosaurs had essentially taken over the planet, while most other reptiles disappeared during the end-Triassic extinction at around that time. What led to ...