Dr. Chris Shelton and student Kolby Dooling unearthed a rare, well-preserved ammonite fossil at a site in Oklahoma, and it ...

Dinosaur extinction theories suggest populations were dwindling when an asteroid wiped them out. New research is challenging ...

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

New dinosaur fossil tracks on the Isle of Skye reveal that the once-balmy environment was home to both fierce theropods and massive sauropods.

"Sightings of these prehistoric giants have been reported in the wetlands at Roger Williams Park Zoo," the zoo said in announcing the exhibit's return. "Have these ancient creatures taken up residence ...

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