Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites.

Kīlauea volcano on Hawaii’s Big Island erupted on Tuesday in a nine-hour spectacular, shooting fountains of lava some 1,300 feet into the air, according to the U.S. Geolog ...

Antarctica’s hidden forces: Spanish scientist reveals to AS what decades of research are uncovering beneath the ice.

In Part III of our epic tour of Japan’s Kyushu Island, we take you into Kagoshima Prefecture – where the smoke-plumed bulk of Sakurajima looms over gardens, lava fields and late-night shochu bars ...

If someone told you that you could walk to the top of an active volcano in California, you’d probably assume they were ...

What makes the Lassen Peak Trail particularly special is its location within Lassen Volcanic National Park, which remains ...

Are you ready for an explosive adventure across America’s most dynamic landscapes? If you want to witness ...

Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...

Hawaii's Kīlauea volcano eruption sent lava 1,000 feet into the air and forced officials to close parts of the national park.

A powerful volcano erupts under the dark night sky, sending bright molten lava and sparks into the air. The glowing lava flows down the rocky surface, creating a dramatic and intense natural scene.

Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events ...

A 33-year-old man is dead following an overnight rescue operation at Hawai‘i Volcanoes National Park last week, according to the National Park Service. NPS referred to the death in a news release as ...