Volcanos are releasing ash and smoke into the atmosphere on three continents. That might be making you think back to your elementary school science class when you probably studied volcanoes and lava.

Magma is the molten material beneath the Earth's crust. It usually collects in a magma chamber beneath a volcano, and can then be injected into cracks in rocks or issue out of volcanoes in eruptions.

Months before the Geldingadalir volcano erupted in 2021, Iceland's volcanologists knew it was coming. A subterranean serpent of magma was coiling through the depths looking for a way out. As the magma ...

Magma continues to accumulate in a chamber beneath Svartsengi and has now reached levels thought to have triggered the volcanic eruption that sent lava flowing into Grindavík on Jan. 14. When you ...

Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea's 31st display of molten rock since ...

“Kīlauea summit magma system is in a complex balance of magmatic pressure and strength of the surrounding rocks.” This ...

A lava river fed by the erupting Kilauea volcano in Hawaii is moving faster. A river of lava fed by the erupting Kilauea volcano on the Big Island of Hawaii and its many fissures was moving faster and ...

CHICAGO — An entire ocean of liquid magma, or maybe a hot heart of solid metal, may lurk in Io’s underworld. The surface of Jupiter’s innermost moon is covered in scorching lava lakes and gored by ...