While scientists have long known about an unusual pattern in the fossil record, they have struggled to explain it

Nicknamed "Scotty," the record-breaking rex is also the largest dinosaur skeleton ever found in Canada

Researchers have uncovered evidence of well armed and substantial flying reptiles from historically important, but overlooked, British Jurassic fossils

Scientists have measured the nutritional value of herbivore dinosaurs' diet by growing their food in atmospheric conditions similar to those found roughly 150 million years ago

Ancient footprints help researchers date the switch from a crouched to more straight-legged gait

A comprehensive study looking at variations in Ichthyosaurus, a common British Jurassic ichthyosaur, also known as Sea Dragons

The toothless dolphin, which lived about 28-30 million years ago, provides new evidence of the evolution of feeding behavior in whales (which includes dolphins)

“The bird would have been a cross between a large seagull and a diving bird like a cormorant, but likely had teeth,” says expedition leader

New fossils discovered by Uppsala University palaeontologists record an empty alien world from immediately after the extinction

The extremely bright X-rays from the Advanced Photon Source will give scientists an unprecedented look inside the arm bones of the largest and best-preserved T. rex skeleton ever found