How big was the Tyrannosaurus rex? Learn how, even though they may not have been the largest theropod, they’re definitely one ...

A fossil site in New Mexico with numerous dinosaurs, including the gargantuan Alamosaurus, dates to shortly before the ...

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

By far the largest ever found of its kind, the spiny fossil predator "would have made enough scampi to feed an army," one ...

New research suggests dinosaur populations were still thriving in North America before the asteroid strike, but it’s only one ...

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

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

Imaging technology has revolutionized paleontology, allowing scientists to study fossils that are buried deep in the rock or ...

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their ...

A fresh analysis of a site in New Mexico provides a glimpse into the final days of the dinosaurs, showing their diversity before going extinct.

Sixty-six million years ago, two genera of long-necked, quadrupedal dinosaurs had an advantage over other sauropods: they ...