Igneous rock is formed by the cooling of molten rock, either at the surface (lava), or underground (as granite or other similar rocks). The heat of molten rock usually incinerates organisms rather ...

Video footage shows a geologist scooping molten lava into a bucket of water before it is taken away for testing. The lava has a thin crust on it that's caused by air cooling, so the geologist has ...

No homes were threatened. Molten rock began shooting from the volcano before dawn on Monday when fissures opened in the caldera floor and propelled lava 295 feet (90 meters) into the air.

Like a giant exploding ember floating in space, a planet made of molten lava and covered in active volcanoes was recently described in The Astronomical Journal. Known as TOI-6713.01, the exoplanet ...

"In the region of Io's surface in which we have the most complete data, we estimate about 3% of it is covered by one of these molten lava lakes." (A caldera is a large depression formed when a ...