Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

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 ...

When an undersea volcano erupted in Tonga in January, its watery blast was huge and unusual — and scientists are still trying to understand its impacts. The volcano, known as Hunga Tonga-Hunga Ha’apai ...

A tsunami triggered by a volcanic eruption decimated some islands of the South Pacific nation of Tonga. The crushing effect on land and infrastructure can be seen from outer space. Three of Tonga’s ...

Heavy rain sent lava surging down Indonesia's Mount Semeru volcano on February 17, triggering a secondary eruption as molten ...

The volcano responsible for a catastrophic eruption in 1982 that left thousands dead is now stirring, with concerns also ...