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.

Fountains of lava erupted from the Sundhnúkur volcanic system in southwest Iceland on Jan. 14, 2024. As the world watched on webcams and social media, lava flows cut off roads and bubbled from a new ...

For decades, volcanologists believed that the primary trigger for explosive eruptions was a drop in pressure as magma rises ...

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 ...

A huge river of underground magma responsible for the recent eruptions at Iceland's Reykjanes peninsula flowed much faster than scientists initially thought. The 9-mile-long magma dike, as the ...

HONOLULU (HawaiiNewsNow) - Since Mauna Loa began erupting Sunday night, Hawaiian Volcano Observatory scientists and their partners at the University of Hawaii at Hilo have been studying lava samples.

An illustration of NASA's Juno craft soaring above Jupiter's atmosphere. Jupiter's satellite Io is one of its largest moons. Credit: NASA / JPL-Caltech NASA's Juno spacecraft has made several close ...