Incredible scenes at Hawaii's Kīlauea volcano on Wednesday: over a 13-hour period, a towering fountain of lava spewed from ...

The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it was discovered.

Alaska, largely unspoiled wilderness, looks like something out of The Lord of the Rings.

Kilauea, one of the world’s most active volcanoes, has been erupting on and off for nearly two months since it burst to life ...

Sunset Crater Volcano National Monument highlights northern Arizona’s volcanic (and explosive) past, speckled with cinder cones and long-hardened lava flows People often get Sunset Crater confused ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

M. PATRICK / U.S. GEOLOGICAL SURVEY Lava spewed out of the northern vent at Kilauea’s summit Tuesday morning. M. PATRICK / ...

The island is famed for its caldera – a bowl-shaped crater caused by a volcanic eruption – which was formed by one of the largest known blasts around 3,600 years ago. Santorini’s most recent ...

Now, millions of visitors each year come to see its dramatic scenery of whitewashed houses and blue-domed churches clinging to the cliff along the flooded caldera, or volcanic crater. Last week, ...

In less than a minute, a Mexico-bound air ambulance jet that departed Philadelphia on Friday night, climbed to 1,500 feet before it took a steep nosedive, crashing into the ground, and leaving an ...

Now, millions of visitors each year come to see its dramatic scenery of whitewashed houses and blue-domed churches clinging to the cliff along the flooded caldera, or volcanic crater. Last week ...