Lava poured from Hawaii’s Kilauea volcano during its latest eruption on Wednesday, October 1. Video from Epic Lava Tours ...

For as long as there have been people in what is now California, the granite peaks of the Sierra Nevada have held masses of ...

What if Yellowstone’s supervolcano erupted tomorrow? This documentary explores the catastrophic chain reaction of ash clouds, collapsing cities, and global climate collapse that could follow.

Casey Lund was at Pearl Harbor Wednesday with hundreds of visitors lined up, anxious to find out if the park would open following the government shutdown. The incident happened in Chinatown on Tuesday ...

Mount Hood’s summit is a familiar sight for everyone who calls The Mountain their home. It’s the backdrop to our lives, a ...

The Earth became darker from 2001 to 2024, meaning it reflects less sunlight, a research team reports in the journal ...

Active volcanoes, pristine lakes, and epic wildlife sightings await at Katmai National Park and Preserve in Alaska.

From massive glaciers to sun-soaked beaches, national parks offer some of America’s wildest and most iconic landscapes.

The fall shoulder season is the ideal time to trek up California's second-highest volcano: There are no crowds, the weather ...

That came after scientists received reports of a large plume rising above the volcano, which turned out to be volcanic ash from the 1980 Mount St. Helens eruption. “It kind of looks like a brownish ...