One of the most active volcanoes in the world is gearing up for a spectacular eruption, according to the United States ...

The Badlands' striking formations owe part of their story to Yellowstone's volcanic past, with unique layers of ash hinting ...

What if Yellowstone’s supervolcano erupted tomorrow? This documentary explores the catastrophic chain reaction of ash clouds, ...

A Yellowstone supervolcano eruption could bury hundreds of miles in lava and ash, disrupt air travel worldwide and plunge the ...

This summer, I was reminded how varied backpacking can be when two trips in September provided a stark contrast.

Six years of scientific investigation within Yellowstone National Park has revealed a volcanic system far more complex than scientists imagined, with previously unknown eruptions and multiple ...

On a trip to Yellowstone National Park back in August, I came to a stop at the turnoff for Firehole Lake Drive, where I had hoped to cruise through an active thermal area with geysers and hot springs.

A Yellowstone National Park trail remained closed Wednesday after a possible grizzly bear attacked a hiker, leaving him with serious injuries. The 29-year-old man suffered injuries to his chest and ...

Margery Price details how Yellowstone’s Geology Program takes care of the park and cleans up after the four million tourists who visit each year. Humans unfortunately tend to litter, even in beautiful ...

If you were lucky 74,000 years ago, you would have survived the Toba supereruption, one of the largest catastrophic events that Earth has seen in the past 2.5 million years. While the volcano is ...