Oncorhynchus rastrosus, a giant species of salmon that lived in the North American Pacific Northwest a few million years ago, sported a pair of front teeth that projected out from the sides of its ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

A charter boat captain found a whopping 6.25-inch long megalodon shark tooth in Florida. The tooth probably belongs to a giant megalodon that would have measured around 50 feet in size. A ...

Fossils from a huge, rare mosasaur with giant globular teeth have been unearthed in Texas, a new study reveals. The two adult jaw fragments provide insights into the lifestyle of Globidens ...