Overview

In its prime, Cahokia was a prosperous city with a population similar to London's. But this sprawling Native American metropolis from the Mississippian culture vanished long before Europeans arrived in North America. What happened? Now, cutting-edge scientific research offers a glimmer of hope in unraveling the mystery of Cahokia's disappearance.

The 1700 Cascadia earthquake and tsunami was a natural disaster that reshaped the Pacific Northwest. Through tree rings, soil layers and international collaboration, scientists have pieced together the exact timing of the event. As the region braces for another quake, can we prepare in time? Find out how new models and tsunami evacuation towers are helping coastal communities face the threat.

Florida's native crocodiles have found an unexpected sanctuary in the cooling canals at Turkey Point Nuclear Power Plant. This fortunate happenstance, along with tireless conservation efforts, are helping these once endangered predators make a remarkable comeback.

The Outer Banks, known as the "Graveyard of the Atlantic," is home to thousands of shipwrecks, including Blackbeard's infamous Queen Anne's Revenge. But beyond the maritime history, this fragile coastline is rapidly changing—threatened by shifting sands, rising seas, and intensifying storms that could reshape it forever.