A major U.S. city is reportedly fearing a "massive" volcanic eruption that could be on the horizon. While there are still ...

The Mount St. Helens visitor center is reopening its doors with the first major renovations since it opened in 1986. Starting ...

Campi Flegrei volcanic area near Naples shows ongoing unrest, but no clear signs of an imminent major eruption.

The Mount St. Helens visitor center is reopening its doors with the first major renovations since it opened in 1986.

Volcanoes often give little warning before they erupt, but now scientists have discovered an unexpected early warning ...

Scientists have found a way to monitor volcanic carbon dioxide levels — one of the first signs a volcano might be about to ...

Could a massive volcano eruption occur in the United States? It's certainly possible. There are currently concerns about ...

Uēkahuna has long been one of the park’s most popular spots for volcano-watching, but was forced to close in May 2018 ...

And while the advisory assured that the “likelihood of an eruption continues to gradually decline,” the 11,000-foot-tall volcano remains at an “elevated state of unrest,” meaning that an “explosive ...

“Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

Despite a decline in volcanic activity over the past two months, Spurr is at a yellow alert level, indicating that activity ...

Celebrate National Trails Day with some of the best hikes in the U.S.—from slot canyons to grassland wanders to secluded ...