A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.

Long before horses thundered across the plains, a plant-eating giant with hooves of its own left footprints in the mud. Newly ...

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

In a groundbreaking discovery, scientists have unearthed the first fossil egg ever found in Antarctica. This remarkable find, ...

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

The study offers the most recent data that challenges the long-held belief among paleontologists that dinosaur populations ...

The preserved record of “dinosaur mummies” soft tissue discovered in Wyoming is shedding new light on what these creatures ...

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 ...

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 ...

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