Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to huge heights.

Tourists and residents were forced to flee as a volcano erupted again Tuesday in southwestern Iceland. Here's the latest.

A volcano in southwestern Iceland that has erupted repeatedly for more than a year again belched lava and smoke into the air, ...

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 ...

Lava from Hawaii's most active volcano created fountains that reached 700 feet Thursday during the latest episode of an ongoing eruption. Kilauea began continuously releasing lava from its summit ...

Lava from Hawaii's most active volcano created fountains that reached 700 feet (215 meters) Thursday during the latest episode of an ongoing eruption. Kilauea began continuously releasing lava ...