Hawaii's Kilauea volcano erupted on February 4, spewing lava and molten rock 50 metres into the air, dramatic images show.

Scientists have assessed Yellowstone's chances of eruption by measuring electronic currents flowing deep within the Earth ...

ATHENS, Greece -- Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers with tents, a sniffer dog and drones, and to shut schools on four ...

Researchers have created geopolymer mortar blocks from Taal volcanic ash, potentially suitable for constructing ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

Lava fountains surged as the Kilauea volcano erupted in Hawaii. Dramatic footage shows lava and molten rocks bursting through a narrow notch in the cone wall within the crater, 164 ft (50 m) into the ...

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

Researchers from the University of Oregon have uncovered a giant aquifer, hidden beneath the volcanic rocks of the Cascades. This discovery, published in the Proceedings of the National Academy of ...

When this pressure is released, for example as a result of plate movement, magma shoots to the surface causing a volcanic eruption. Above the ground the liquid rock is called lava and as it cools ...

Magma (molten rock) is intruding into the subsurface beneath two volcanoes, Fentale and Dofen, which are geographically close to each other. Read more: Tracking the hazards -- and benefits -- of ...

That’s the channel inside a volcano that opens up to the surface. As it cools it becomes a very hard type of igneous rock. This one first formed over 350 million years ago. Then, millions of ...