Researchers Uncover Remains of Prehistoric Shark Species Even Older Than Dinosaurs in a Cave in America The legacy of "sea dogs" has welcomed two more chapters. Two new species of prehistoric sharks ...

A shocking prehistoric discovery has emerged from the American wilderness: massive fossilized footprints that could rewrite ...

Illustrations of prehistoric North and South American animals including a glyptodon, lestodon, horse, mastodon, saber-toothed cat and a toxodon AP ...

For a long time, scientists believed the first humans to arrive in the Americas soon killed off these giant ground sloths through hunting, along with many other massive animals like mastodons, […] ...

Any self-respecting prehistoric theme park would most certainly ... Cladoselache lived in waters over what is now North America and, unlike most sharks, these animals fossilized well with some ...

Isolation allows creatures to thrive as their relatives perish due to the threats present on much larger landmasses ...

A team of scientists found prehistoric animal footprints that indicate how creatures behaved in Oregon as far back as 50 million years ago.

The diet of a key prehistoric American group appears to have been rich in mammoth meat, a study analyzing data extracted from the 12,800-year-old remains of a toddler has revealed.

The fossil record is full of examples of other prehistoric animals that would dwarf their modern relatives. ... such as the giant ground sloth (6m/20ft from head to toe) from South America.

Traskasaura sandrae is a "very odd" mix of primitive and derived traits. A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...