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, ...

PUNA, BIG ISLAND (HawaiiNewsNow) - Fissure no. 8 has taken on a look of its own, in fact some might even say it looks like its own volcano now. The fissure's lava fountains have surrounded itself with ...

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 ...

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 ...

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 ...

Volcanoes are one of Earth’s most powerful and mesmerizing geological features. Simultaneously beautiful and terrifying, they can hibernate for years before rumbling back to life spewing fiery ash ...

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 ...

Yes, the Aloha State has the lava-lamp spotlight at the moment, as its Kilauea volcano exploded anew, sending a molten flow in the direction of the Puna Geothermal Venture plant, which just happens to ...