Sister Wives' star Kody and Robyn have a new house, but it comes with a huge catch — a cinder mine in the back yard.

Tamanrasset sits at the geographic heart of the desert. Linked to the north by 1,200 mostly paved miles of the Trans-Saharan Highway, it dominates a network of dirt tracks stretching into Mali, Niger, ...

Southern Arizona has numerous sites known for their pyroxene minerals, from Twin Buttes south of Tucson, to Ajo, to the Chiricahua, Santa Rita and Patagonia mountain ranges. Pyroxenes are classified ...

Inferno Cone, Spatter Cones, Devils Orchard, and the Caves Area all have their own pull-offs, so you can cruise at your own ...

Explosive volcanic eruptions on early Mars may have transported water ice to equatorial regions, according to a modeling ...

A study reveals the existence of pockets of magma beneath the volcanoes of the Cascade Range, with no signs of imminent eruptions.

Hawaii beaches reveal a different side of island paradise, offering unique shorelines where visitors can enjoy scenic views, ...

Did you ever accidentally climb a volcano? It happened to Mr. Standish and me this week. We were over on the east side of Lassen Park Monday, planning a hike from Butte Lake to Snag Lake, 7 miles or ...

HONOLULU (KHON2) — Every island in Hawaiʻi has its own personality, history and landscape. From beach sands of many colors to mountain peaks, there is a tremendous amount of diversity and beauty. One ...

Want a peek at some of North America’s wildest volcanic playgrounds? You’re in the right place! Across the U.S., a collection of lava fields are still cooling off, shaping the land and fascinating ...

Most volcanoes, loud and pushing, build their cinder cones openly of fiery ash and lava. But a few volcanoes work under cover. Their molten lava never reaches the surface, but quietly pushes up the ...

Shield-volcano Maunakea viewed from the northern slope of Maunaloa (cinder cones in the foreground) shows off its broad shield shape. The bumps on its profile are large cinder cones. PC: USGS The ...