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 ...

Astronomers have discovered a strange new world just 35 light-years from Earth – one permanently covered in a vast ocean of ...

Gabi Laske is a professor of geophysics at the University of California—San Diego. Hawaii's Mauna Loa, the world's largest active volcano, began sending up fountains of glowing rock and spilling lava ...