Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question.

Spinosaurus Mirabilis is believed to be roughly the size of a Tyrannosaurus Rex and about 95 million years old, researchers ...

A newly unearthed fossil has led experts to believe an ancient species of crocodile may have been an apex predator that hunted dinosaurs on land. Paleontologist and National Geographic Explorer Diego ...

Add Yahoo as a preferred source to see more of our stories on Google. Paul Sereno and his colleagues spent years painstakingly preparing this Edmontosaurus annectens "mummy" unearthed in Wyoming, ...

A routine parking lot project at Dinosaur National Monument has unearthed dinosaur fossils at the site for the first time in more than a century. Workers uncovered the fossils near the Quarry Exhibit ...

Add Yahoo as a preferred source to see more of our stories on Google. New dinosaur fossils were discovered at the Dinosaur National Monument, leading to the first excavation there in more than 100 ...

Add Yahoo as a preferred source to see more of our stories on Google. For those who love nature, a trip to one of our 63 national parks often makes it to the top of their travel list, and with good ...

Lucia Suarez Sang is an associate managing editor at CBSNews.com. Previously, Lucia was the director of digital content at FOX61 News in Connecticut and has previously written for outlets including ...