Several breathtaking U.S. monuments and wilderness areas may soon earn the coveted title of national park, joining America's ...

There's no shortage of nature, from massive lakes to a Lewis and Clark trail to national volcanic land, explore the national ...

New Mexico National Parks, Carlsbad Caverns and White Sands National Parks, are impressive and there's a host of other 'national' sites too.

Members of the Deschutes County Sheriff's Office Search and Rescue team stabilized a snowboarder who was injured Sunday on Mt. Bachelor. (Courtesy A man was rescued Sunday afternoon after injuring ...

There’s something magnetic about volcanoes. While some are far too dangerous to approach, others invite you right up to the rim, offering front-row seats to nature’s raw energy. From Hawaii’s fiery ...

Lassen Volcanic National Park is full of stunning landscapes and unique volcanic features that make it a great spot for ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was ...

Northern Arizona’s San Francisco Volcanic Field is a prominent geological landmark in the Southwest. Comprised of about 1,800 square miles, it is the location of more than 600 volcanic vents in the ...

For outdoor exploration in stunning national parks, California is the land of plenty. From the towering trees of Sequoia National Park, to the undulating, Mars-like landscapes of Death Valley, there's ...

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 ...

Scientists have discovered that shear forces inside rising magma can create gas bubbles long before pressure drops occur. The ...

Satellites have recorded an unusual formation in the crater of the ancient volcano Trou-o-Natron, known to locals as Dun Orei ("big hole"), in Chad in the central part of the Sahara Desert. From a ...