The 8-inch, bright pink slug has been isolated in a "sky island" for millions of years.

An eruption of Mount Churchill today similar to previous major plumes would bring much of the Northern Hemisphere to a ...

A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

The Bureau of Reclamation will send more water out of Lake Shasta at Shasta Dam. Here's how long those increased water ...

It's not every day you have a massive Oregon volcano ready to blow, and experts are looking forward to seeing it erupt in all ...

Skiers at Mount Shasta Ski Park in Northern California have a new protector. No, it is not a revamped ski patrol or new lifts ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

Scientists say it is not likely the Yellowstone Volcano will erupt anytime soon - in the video below, John Sherer reports on ...

Scientists studying the volcanic landscape of the Cascade Range found that an aquifer has nearly three times as much water as ...

California offers stunning outdoor adventures, and this state park in the Shasta-Trinity National Forest is undoubtedly a ...