Precursory low-level activity for episode 35 of the ongoing Halemaʻumaʻu eruption increased on Thursday morning, Oct. 16, ...

Lava flows from a fissure in the aftermath of eruptions from the Kilauea volcano on Hawaii's Big Island, May 22, 2018. Andrew Richard Hara/Ena Media Hawaii via Getty Images But not all lavas are the ...

1 /2 VIDEO COURTESY USGS A live view of the Kilauea eruption from the northwest rim of the caldera looking east. COURTESY USGS Kilauea volcano fountaining returned to Halemaumau crater this evening. 2 ...

LEGAZPI CITY, Philippines – Thousands of people have evacuated regions surrounding the Mayon Volcano in the Philippines as the mountain continues to spew lava and show increasing signs of unrest.

SEATTLE - Magma that has been rising inside Mount St. Helens after weeks of earthquakes and steam eruptions has finally pushed its way to the surface, forming a new lava dome just behind the existing ...

Bursts of ash and venting steam get all the glory, but truly, it's a not-ready-for-prime-time bulge that now holds much of scientists' attention. As Mount St. Helens yesterday continued to grumble and ...

MOUNT ST. HELENS, Wash. - New thermal images reveal that parts of the lava dome in Mount St. Helens' crater are piping hot, and scientists are seeing signs that magma continues to rise. Scientists ...

MOUNT ST. HELENS -- For the first time in 18 years, lava has broken the surface of this restless volcano, pushing its way out Monday afternoon in an inky gray spine of crystallized molten rock from ...

Venus, often called Earth’s evil twin, is home to some of the most peculiar geological features in the solar system. Among its many mysteries are the planet’s so-called pancake domes—enormous, ...

The Cleveland Volcano, located near the middle of Alaska's Aleutian Islands chain, has had its warning status bumped up after scientists observed a lava dome building Tuesday. Scientists had warned ...