In place of pterosaurs, birds became the dominant animals in the skies and the extinction of the non-avian dinosaurs allowed mammals to rapidly diversify and grow. While it would still be many ...

The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and ...

Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

Millions of years before the asteroid impact that ended the reign of the dinosaurs, mammals were already beginning to shift ...

Long before the asteroid hit Earth and wiped out the dinosaurs, many mammals had already started living on the ground, ...

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

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million ...

A new study challenges the belief that dinosaurs were declining before the asteroid impact that ended their reign. Analysing 18 million years of fossil data, researchers argue that apparent drops ...

Comparing samples from more than 50 vertebrate species, some modern and some extinct, researchers found evidence that endothermy, or warm-bloodedness, was already widespread before ... Dinosaurs are ...

Scientists now know that dinosaurs evolved bird-like characteristics long before the appearance of Archaeopteryx ... and were pictured as enormous animals, hundreds of feet long.” “New discoveries ...