The curious minds at What If transport us to the Paleozoic Era and envision what life would be like in this ancient period.

The best places to see them include Slaughter Beach, DuPont Nature Center, Kitts Hummock and Pickering Beach, but horseshoe ...

The expedition, which takes guests back 251 million years back in time to the start of the Paleozoic Era, begins on May 27 and will run through the end of October. Guests will find more than 20 ...

Horseshoe crabs first developed 540 million years ago in the Paleozoic era, more closely related to arachnids than crabs. The amazing arthropods lived through the age and extinction of dinosaurs ...