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

The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula.

First 'Warm-Blooded' Dinosaurs May Have Emerged 180 Million Years Ago May 15, 2024 — The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among ...

Scientists have discovered two new feathered dinosaur species in northeastern China hidden in 125-million-year-old fossils.

Dinosaurs had a very different physiology and metabolism than other creatures at that time, so it could be they were better suited to that warmer world. All we really know is that they not only ...

Small fossils show mammals moved to the ground before the dinosaurs vanished. New plants changed habitats, giving better food ...

All of the Triassic archosaurs (the ruling reptiles) who had evolved since the last great extinction were made extinct apart ...

While they were part of the dinosaur clade called theropods that included all the meat-eaters such as Tyrannosaurus and Spinosaurus, therizinosaurs preferred plants on their menu. Therizinosaurs ...