Geologists recently discovered the fossil of a Cretaceous-era mosasaur vertebra near Starkville, Mississippi. The experts ...

A joint research team has discovered a fossil belonging to a previously unknown genus and species of mammal in the Late ...

Scientists have identified a new species of ancient mammal from a small jawbone found in Mongolia's Gobi Desert.

A giant vertebrate discovered in the state of Mississippi in the United States may belong to the largest mosasaur ever found ...

In the Late Cretaceous, the region of South America that would one day become modern Argentina was a dramatic land indeed. Teeming with dinosaur life, the Candeleros Formation - located in what is now ...

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

According to George, the Central Valley is home to a number of significant fossil finds—including California's state dinosaur ...

This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived ...

The prehistoric crocodile relative may have tolerated both freshwater and saltwater habitats, allowing it to conquer North ...

An artist's illustration shows Deinosuchus riograndensis swimming with an early alligator relative in the wetlands of the ...

A prehistoric hell ant that lived among dinosaurs 113 million years ago had an unusual way to kill its prey and sheds new ...

The Cretaceous is split into two smaller time periods called epochs. The Early Cretaceous Epoch lasted from 145 million years ago to 100.5 million years ago and the Late Cretaceous Epoch lasted from ...