Dinosaur teeth are no longer just relics of prehistory. Scientists have discovered they hold an untapped record of Earth’s deep climate past, revealing that atmospheric carbon dioxide (CO₂) levels ...

A barnacle-covered tooth found off the North Carolina coast counts as one of the largest megalodon shark teeth ever ...

Add Yahoo as a preferred source to see more of our stories on Google. A single tooth found among dinosaur bones in North Dakota reveals that some of the largest sea reptiles also ruled ancient rivers.

A 66-million-year-old Edmontosaurus skull, cataloged as MOR 1627, preserves an embedded tyrannosaurid tooth and matching bite ...

What we did To test these assumptions, we analyzed more than 500 teeth from 27 primate species, both extinct and living. The sample included gorillas, orangutans, macaques, colobus monkeys, fossil ...

Compared to the great apes, humans have an exceptionally long childhood, during which parents, grandparents and other adults contribute to their physical and cognitive development. This is a key ...

A lucky Florida family found a once-in-a-lifetime fossil that belonged to one of the biggest predators that ever roamed the ocean. Bricen Columbia, 19, found a 6.5-inch megalodon tooth in South ...

A fossilized Edmontosaurus skull with a Tyrannosaurus tooth still embedded in its face has given scientists rare evidence of a dramatic predator-prey encounter. The discovery suggests the giant ...

Screenshot from a video taken by a remotely controlled underwater robot at a depth of 3,090 meters with a Otodus megalodon tooth sticking out from the ocean floor. An international team of researchers ...

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record Chihiro Kai The arid valleys of Wyoming’s Cloverly Formation are ...

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.

Could social bonds be the key to human big brains? A study of the fossil teeth of early Homo from Georgia dating back 1.77 million years reveals a prolonged childhood despite a small brain and an ...