Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

These parks in Minnesota, Colorado, Florida and other states are too often overlooked by travelers. Here's why you should add ...

Millions of years ago, a volcano created Wheeler Geologic Area. We visited the hoodoo-filled landscape and learned what it ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Yellowstone’s geological history is one of the most intensely studied in North America. From a map drawn on a bison pelt by ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

Dozens of flights to and from Indonesia's Bali island were canceled after a volcano belched a colossal ash tower 11 miles ...