Researchers say the newly identified specimen indicates that pterosaurs were a more diverse group than previously thought.
Cretodus houghtonorum lived during the Late Cretaceous period, a time when a huge waterway divided North America.
The swarm of male shrimp were killed in a "mass mortality" event during the time of the dinosaurs.
248 million-year-old fossils discovered in Russia almost 60 years ago re-examined by scientists.
While dinosaur fossils have been found across Alaska, there are very few records of these ancient animals in the Alaskan Peninsula.
The dinosaur could bite with about three times the force of large crocodiles or great white sharks.
Two new species of dinosaurs are introduced to the "Jurassic Park" series in the new Colin Trevorrow-directed short film "Battle at Big Rock."
For decades, scientists thought that the two holes in the roof of the dinosaur's skull aided jaw movement.
The newly identified dinosaur, named Aquilarhinus palimentus, represents an entirely new genus, or group of species.
We show that at least one third of all continental crust has been massively deformed since the supercontinent Pangea first started breaking up.
The origin of avian flight has long-puzzled scientists.
Growing evidence suggests that the extinction of the dinosaurs involved profound, complex and interconnected changes to the global systems that support life. Much like we are facing today.
The fossils are 15 million years older than any others belonging to the tyrannosauroid family that have been found in North America.
"You can clearly see the texture of the skin and scales, as well as four-toed claw marks, which are extremely rare," one scientist said.
"Completely unexpected" Triassic creature overthrows many ideas about life on Earth 200 million years ago.
These sharks are now the most popular in the ocean.
How close are we to becoming a T. Rex dinner?
It didn't take long for dinosaurs to take over, according to new research.