Exciting discoveries from archaeological sites predating the Clovis culture pose new questions about how, when, and by whom ...

Prehistoric times were pretty strange, to put it lightly, and the same could be said of the species from that period. Here ...

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

How did woolly mammoths survive the last ice age? And how thick was the ice over New York City? Test your knowledge by taking our quiz.

They've evolved at least five times in mammals, most notably in the saber-tooth cat Smilodon, who sported serrated sabers that could measure nearly one foot long. But behind the fearsome ...

They've evolved at least five times in mammals, most notably in the saber-tooth cat Smilodon, who sported serrated sabers that could measure nearly one foot long. But behind the fearsome appearance of ...