You don’t have to go to Hawaii, the Pacific Northwest or Central America to hike a volcano. Just head north to Flagstaff. "Almost every hill out here is a volcano," says Bob Van Belle, a National Park ...

From the ever-active Kilauea in Hawaii to the infamous Mount St. Helens in Washington, the United States has some of Earth's most notable (and notorious) volcanoes. And despite their obvious dangers, ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

Black cinder, at top, is highly porous small hard bits expelled by fountaining lava without much exposure to oxygen before cooling. Hawaii’s commercial supply of the material is nearing depletion ...

HONOLULU — The eruption of the Mauna Loa volcano on Hawaii's Big Island continues to ease, scientists said Sunday, reinforcing an earlier pronouncement that the mountain's first flare-up in nearly 40 ...

Kilauea Iki hikers cross the crater floor at Hawaii Volcanoes National Park. Photo Credit: Photo courtesy NPS The month of January is Volcano Awareness Month at Hawaii Volcanoes National Park, and the ...

Northern California’s Lassen Volcanic National Park is an undiscovered hiker’s dream, and it’s the 31st stop on our 62 Parks Traveler’s quest to visit every park in the U.S. 62 Parks Traveler started ...

Note: This is the fourth in a series of six Guest Opinions commemorating the Craters of the Moon National Monument Centennial. While southern Idaho’s vast Snake River Plain is lauded and renowned ...

Lassen Peak, shown here, is the southernmost active volcano in the Cascade Mountain Range of western North America, extending from southern British Columbia to northern California. This vast range is ...

I have lived in Northern California on and off since 2006, for a total of around seven years, and during that time nobody ever told me to go to Lassen Volcanic National Park. This summer I finally ...