Pleistocene Epoch 2 million to 10,000 years ago The ice ages of the Pleistocene wreaked climatic havoc on the northern … Continue

Pliocene Epoch 5 million to 2 million years ago The formation of a land bridge across Panama in Central America … Continue

Miocene Epoch 24 million to 5 million years ago While much of the Northern Hemisphere was becoming cooler, the warm … Continue

Oligocene Epoch 34 million to 24 million years ago Global climates became cooler during the Oligocene, causing sea levels to … Continue

Eocene Epoch 55 million to 34 million years ago During this period, lush tropical forests blanketed much of the world’s … Continue

What’s the difference between a mammoth and a mastodon? Were there other sharks besides the famous Megalodon swimming in the … Continue

What was Florida like hundreds of thousands of years ago? What do the fossils we discover today tell us about … Continue