Joseph Peterson, a vertebrate paleontologist at the University of Wisconsin Oshkosh, demonstrates how a T. rex takes a bite.

Teenage T. rex was already chomping on prey

Galleonosaurus dorisae

New wallaby-sized dinosaur from the ancient Australian-Antarctic rift valley

Asteroid impact earth

Dinosaurs were thriving before asteroid strike that wiped them out

a fossilized dinosaur footprints

Dinosaur tracks make fresh impression at Valley Forge park

leptocleididae

A small plesiosaur lived in Spain 125 million years ago

Layered lava flows within the Wai Subgroup from near Ambenali Ghat, Western Ghats.

Do volcanoes or an asteroid deserve blame for dinosaur extinction?

New species of tiny tyrannosaur foreshadows rise of T. rex

Scientists excavate a dinosaur bone bed along the Colville River.

Marsupial lived among Arctic dinosaurs

This is an illustration depicting Mnyamawamtuka in its environmental setting.

New dinosaur with heart-shaped tail provides evolutionary clues for African continent

Gobiraptor reconstruction.

New oviraptorosaur species discovered in Mongolia

T. rex had an unusually flexible skull. Credit: Senckenberg

T. rex possessed a unique flexible skull

The isolated Archaeopteryx feather is the first fossil feather ever discovered. Top image, the feather as it looks today under white light. Middle image, the original drawing from 1862 by Hermann von Meyer. Bottom image, Laser-Stimulated Fluorescence (LSF) showing the halo of the missing quill. Scale bar is 1cm. Credit: Copyright The University of Hong Kong

First discovered fossil feather did not belong to iconic bird Archaeopteryx

A slab containing fossils of Antarctanax. Credit: Copyright Brandon Peecook, Field Museum

Iguana-sized dinosaur cousin discovered in Antarctica

These are well preserved footprints of the find site in Morocco, with clearly visible claw impressions. Credit: The Society of Vertebrate Paleontology

Long-necked dinosaurs rotated their forefeet to the side

Mammalian diversification after extinction of the dinosaurs

Saltriovenator zanellai

The oldest large-sized predatory dinosaur comes from the Italian Alps

Panoplosaurus mirus and Euoplocephalus tutus.

Huge armored dinosaurs battled overheating with nasal air-conditioning

Megalosaurus

Spectacular flying reptiles soared over Britain’s tropical Jurassic past

‘Treasure trove’ of dinosaur footprints found in southern England

Crittendeceratops

Horned dinosaur Crittendenceratops discovered in Arizona

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