It's the seventh eruption since just before Christmas at one of the world's most active volcanoes, with lava shooting ...

This is the incredible moment when lava erupts from one of the ... on Hawaii’s Big Island after its crust became awash with molten rocks and flames on Monday. The eruption was mostly confined ...

This molten earth origin is what classes rainbow obsidian as an igneous rock. Lava destined to become obsidian cools rapidly once on the surface and, thanks to its viscous nature, is also below ...

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 ...

That movement has now left one pool of molten material on the west of the caldera disconnected from any heat sources, which will likely allow it to cool. Meanwhile, the largest pool of near-surface ...

Approximately 700,000 years ago when molten rock erupted from a vent in nearby Hart Prairie, the mile-long Lava River Cave was formed. Today, visitors can explore the cave's cool, dark expanse by ...

The Department of Geology has changed its name to the Department of Earth Sciences to better reflect the breath of its work.

Lava flows from Episode 6, the latest eruptive event of the summit eruption that started at 11:28 p.m. Jan. 24 and ended at ...

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 ...

spewing columns of lava 80m (260 feet) above Hawaii, US vulcanologists said. Images showed enormous fissures in the caldera of Kilauea, on Hawaii’s Big Island, spraying jets of molten rock into ...