Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky haze that obscured its summit.

Commercial pilots reported seeing ash in the vicinity of the mountain, the site of the infamous eruption of May 18, 1980, ...

Kilauea erupts again after brief calm, with lava fountains reaching 500 ft. Live feeds offer safe views as access is restricted for safety.

One of the most active volcanoes in the world is living up to its reputation as it gears up for another eruption. An eruption at Hawaii's Kilauea volcano is imminent, based on current activity, ...

An underwater volcano off the coast of Oregon is gearing up for an eruption, according to scientists who are monitoring for ...

Hawaii’s Kilauea volcano has been shooting lava from its summit crater about once a week since late last year, delighting residents, visitors and online viewers alike with a firehose of molten rock.

Strong winds apparently picked up the loose volcanic ash from the 1980 eruption and carried it as far as the capital region.

The U.S. Geological Survey recently highlighted a phenomenon at Hawaii’s erupting Kilauea volcano that it termed a “volnado.” A livestream camera at the volcano caught glimpses of whirlwinds rotating ...

Hawaii’s Kilauea volcano resumed erupting on Tuesday, firing lava 330 feet (100 meters) into the sky from its summit crater.

How did humans become human? Understanding when, where and in what environmental conditions our early ancestors lived is ...