Hawaii's Kilauea volcano is erupting episodically, and as it progresses, the lava fountain's heights are rising.

Established in 1924, the Wupatki National Monument – part of a collective of Flagstaff Area National Monuments, including Sunset Crater Volcano and Walnut Canyon – is a nature and culture ...

A volcanic fissure has opened up near the town of Grindavík on Iceland's Reykjanes Peninsula following a significant uptick in earthquake activity. Images show lava breaching the town's defensive ...

golden-brown strands of volcanic glass formed during eruptions when molten lava stretches and cools quickly, according to HVO, and the tiny fibers can be carried downwind of the crater ...

Video from live cameras showed lava bubbling in the west Halemaʻumaʻu crater, within the greater Kilauea volcano. The volcano's last eruption ended just over a week ago, on April 9. Kilauea ...