Tourists and residents have been evacuated as a volcano erupted in south-west Iceland, threatening a town and popular ...

Underlying the rims and flanks of the mud volcanoes, they deciphered a series of normal faults — formed when one part of the ground sank relative to another — with displacements of tens of metres.

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

LONDON (AP) — A volcano began erupting in southwestern Iceland on Tuesday, just hours after authorities evacuated a nearby community and a geothermal spa, one of Iceland’s biggest tourist ...

Volcanoes are formed when magma (liquid rock) trapped underneath the Earth’s crust rises to the surface and escapes through cracks. The space for the magma to leave is very small and ...

There are two main types of volcano - composite and shield. The two types of volcano form in different places and have very different characteristics. Ash released from shield volcanoes often ...

Researchers uncover a possible active underwater volcano chain near the Cook Islands, hinting at fresh geological activity.

HONOLULU — Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea’s sporadic eruption resumed. Watch the eruption in the player above. The eruption ...

The graphic below shows how the movement of the Earth's tectonic plates causes volcanoes to be formed, and what triggers a volcanic eruption.

After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...

Looking Forward: the Impact of Io's Volcanic Activity on Future Missions The discovery of this newly formed volcano on Io not only expands our understanding of this enigmatic moon but also has ...

These high lava fountains built the prominent Pu‘u‘o‘o cinder cone, which you can view on the Devastation Trail in Hawaii Volcanoes National Park. Hazards associated with lava fountaining ...