Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the asteroid strike that abruptly ended the age of dinosaurs, according to research ...

New research challenges long-held theory about dinosaurs before asteroid hit - This finding offers a fresh perspective ver ...

At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, resembling a smaller version of Tyrannosaurus - about a tenth the body mass - ...

Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or ...

Edmontosaurus, which munched plants with its broad and flat snout that vaguely resembled a duckbill, roamed western North ...

Scientists examining rare dinosaur mummies from the badlands of Wyoming revealed a surprising detail about the external ...

The "new" dinosaur — named Wendiceratops pinhornensis — lived about 79 million years ago and helps scientists understand the early evolution... Scientists Discover One Of The Oldest Horned Dinosaurs ...

It’s been more than 60 million years since duck-billed dinosaurs roamed around what is now known as western North America. Or ...

A herd of ceratopsians (Styracosaurus albertensis) accompanied by an ankylosaur (Euplocephalus tutus) walk through an old river channel under the watchful eyes of two tyrannosaurs (Gorgosaurus ...