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 ...

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.

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

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

However, within this period of time (commonly referred to as the Pleistocene Epoch), there ... returned and extended southward into North America. During this time of freezing and thawing, some ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...

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 ...