(KTB) mass extinction 65-million-years-ago. Between 50 and 60 per cent of marine and terrestrial life-forms became extinct during the KTB extinction, including the dinosaurs.

Extraordinarily well preserved fossils of feathered dinosaurs and other creatures got that way after being frozen in time by by volcanic eruptions, researchers have long suggested. Not so fast, says a ...

T. rex and Triceratops were both alive at the moment an asteroid collided with Earth 66 million years ago, but did it kill them? In the rocks across Montana, a mysterious layer is found separating ...

Two perfectly articulated skeletons of the sheep-size dinosaur Psittacosaurus, found in China's Yixian Formation. New research suggests they died in burrow collapses, not via volcanism, as previously ...