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 ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

HONOLULU — 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 ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma – and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure ...

A brutal Arctic blast has turned parts of the Eastern United States into a deep freeze, and along at least one frozen shoreline the cold has sculpted something that looks straight out of science ...

Learn how a young volcano on Mars stayed active for nine million years and what its changing lava reveals about Mars’ interior.

Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There have been five major extinction events that have fundamentally changed how ...

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea's 31st display ...

Scientists find radar evidence of a vast underground lava tunnel beneath Venus, hinting at hidden volcanic activity.

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea's 31st display ...