Dinosaur With Two Massive, Sloth-Like Claws Is on ‘Another Level’ of Weird—Even Among Its Unusual Group of Relatives Paleontologists discovered Duonychus tsogtbaatari from fossils uncovered ...

Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the United States around 150 million years ago alongside familiar dinosaurs like stegosaurus ...

Trilobites This Dinosaur Probably Tweeted More Than It Roared The anatomy of a Chinese fossil offers a hint that birdsong may be as old as the dinosaurs themselves. Share full article ...

A new dinosaur fossil at the Denver Museum of Nature & Science was found buried hundreds of feet under the facility's parking lot in January, making the herbivorous animal's remains the oldest and ...

Scientists at a Denver museum stumbled onto the oldest and deepest-known dinosaur fossils unearthed in the city when drilling a test well for geothermal energy.

New discovery of dinosaur footprints in Travis County after flooding is the latest in a long history of prehistoric evidence found in Texas.

A previously unexploited source of information is now throwing new light on Earth's climate during the age of dinosaurs. Fossilized dinosaur teeth show that concentrations of carbon dioxide in the ...

Scientists at the Denver Museum of Nature and Science discovered a 67 million-year-old dinosaur fossil hidden under their noses — in the museum’s parking lot.

When his wife died, the paleontologist Barry James poured his grief into the reconstruction of a triceratops skeleton that they had started together.