Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

The most volcanic world in our solar system has sprouted a new volcano. And its lava flows are enormous. Jupiter's molten moon Io has been surveyed by a number of passing spacecraft, allowing ...

Aerial photographs show lava flowing through a forest and cutting a road in half on the French overseas island of Réunion in the Indian Ocean ...

A volcano in the Pacific Ocean is making headlines as it shows signs of forming a new island. This geological phenomenon provides a unique opportunity for scientists to observe island formation in ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...

Some volcanoes, such as the Cascade volcanoes up in Washington and Oregon, are of the type called a stratovolcano. These steep volcanoes sometimes erupt explosively and other times have calmer lava ...

Bougainville Island in Papua New Guinea hosts three large volcanoes along its mountainous middle: Mount Balbi, Mount Bagana, and the Mount Takuan volcanic complex. Of these, only Mount Bagana is ...

Kilauea in Hawai’i has been in a state of near-constant eruption for decades, providing researchers with a uniquely reliable setting to study one of our planet’s most unpredictable and destructive ...

Kilauea in Hawai’i has been in a state of near-constant eruption for decades, providing researchers with a uniquely reliable setting to study one of our planet’s most unpredictable and destructive ...

Jupiter's moon Io, a world teeming with volcanoes. The most volcanic world in our solar system has sprouted a new volcano. And its lava flows are enormous. Jupiter's molten moon Io has been surveyed ...