Pollution is getting into one of America's great natural wonders. Continue reading →
See some of the most spectacular waterfalls from around the world.
A partial collapse of an ice cave in Washington State killed a hiker and seriously hurt three more Monday evening. Continue reading →
Warmer winters and drought may lead to more frequent forest fires, even in the normally wet Pacific Northwest. Continue reading →
These places look alien, but they're actually on Earth.
The bison attack at the national park was the second in three weeks. Both occured near the Old Faithful geyser. Continue reading →
Yellowstone's explosive secrets are uncovered after the discovery and imaging of a deep, gigantic reservoir of hot rock.
The Chilean geyser called El Jefe provides new insight on how these natural wonders work. →
+ Load More