Newly discoveredfossilized footprints in Mongolia reveal that some dinosaurs could run at speeds rivaling top cyclists. This ...

It may have been suicidal for a predator to go after a healthy adult Brachiosaurus, a behemoth weighing perhaps 60 tons that ...

About 150 million years ago, the land that is now the western United States was alive with dinosaurs. New research shows that ...

Dinosaurs were once assumed to have been ectothermic, or cold-blooded, an idea that makes sense given that they were reptiles. While scientists had previously discovered evidence of dinosaur species ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

(CNN) — A remarkable Early Jurassic record has been hiding in plain sight for 20 years on a slab of rock displayed at a high school in Biloela, Australia, according to a new study. While researchers ...

Lumbering, long-necked dinosaurs frequented the same watering hole as their predators some 167 million years ago, a scientific study of dinosaur footprints found. The footprints at what is now the ...

Scientists are studying two dinosaurs found buried together in prehistoric battle. The North Carolina Museum of Natural Sciences is preparing to study a fossil it has held for years — a pair of ...