CHILLICOTHE—Today, lifeforms in Ohio range from people and pets to wildlife like deer and eagles. But, over ten thousand years ago, the state looked a lot different as woolly mammoths and giant ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

A long, long time ago, a hairy elephant stomped the northland, wrecking trees and shrubs as it swallowed twigs, leaves and bark. Mastodons left a few scattered teeth and bones in Alaska and the Yukon, ...

Revolutions in geology, archeology, paleontology and related disciplines were changing long-held assumptions about the origin of humankind. Narratives of the rise of “man the hunter” arose in natural ...

Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, and many other large animals went extinct. Around the same time, the Clovis ...

North America's mammoth species were breeding together within the past 40,000 years. Fossil teeth found in Canada show that Columbian and wooly mammoths regularly had calves together where the ...

In just the last several months, de-extinction — bringing back extinct species by recreating them or organisms that resemble them — has moved closer from science fiction to science fact. Colossal ...