An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric ...

A paleontologist discovered dinosaur footprints in the roughly 200 million year old boulder, which was donated to an ...

Just 1.5 hours from the city of Bend, tucked away in Eastern Oregon, is the John Day Fossil Beds National Monument.

"Fossil feathers are usually preserved in ancient mudrocks laid down in lakes or lagoons. The fossil vulture is preserved in ash deposits, which is extremely unusual," study lead author Valentina ...

The number of dinosaurs may have been stable before the asteroid impact, despite evidence that species were getting less ...

A paleontologist studied the 200-million-year-old prints that had been hiding in plain sight, then discovered even more ...

Dinosaurs may not have been declining before the asteroid impact after all – new research shows that the apparent drop in ...

A new analysis of a fossil found in 1889 has unveiled the presence of zeolites—and an entirely new mineralization method.

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

While preparing to build a power substation next to a Utah residential subdivision, a prehistoric field of dinosaur and other ...

On a recent Monday, he and two students were plumbing the secrets of a 300-million-year-old salamander ancestor from a rock imprint using CT scans and electron microscopy. The fossil had been ...