Before the Spanish introduced modern horses to the New World, horses roamed wild in North America, then they disappeared, but ...

Here's a look at 15 extinct animals from the last North American ice age, and what scientists know about their lives. Compared with today's coyotes, the Pleistocene coyote had a thicker ...

During the Pleistocene Epoch, North America was home to a diverse array of megafauna—large animals that dominated the continent’s landscapes. These creatures, some of which are now extinct ...

North America used to be crawling with giant ... Giant sloths Related stories For most extinct Pleistocene megafauna — animals weighing more than 100 pounds — there are still living analogs.

Long before highways and high-rises, Earth was home to some seriously massive, strange, and downright wild animals. These ...

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was ...

Illustrations of prehistoric North and South American animals including a glyptodon, lestodon, horse, mastodon, saber-toothed cat and a toxodon AP “Anything older than about 15,000 years still ...

When a student stumbles on a fossil that turns out to be over 30,000 years old, it changes the way science is seen – not as ...

During the late Pleistocene ... contributing to horses’ decline in North America. The findings could inform modern conservation approaches. Large animals, or megafauna, play critical roles ...

Rhinos that flourished across much of North America 12 million years ago gathered ... researchers have wondered what drew so many animals together in the same place. Did they converge from far ...