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 ...

Tiny crystals suggest extinct volcanoes could still grow underground, a finding that could reshape how scientists assess ...

This week, the Mount Agung volcano on the island of Bali in Indonesia erupted for the first time in more than 50 years. Residents are fleeing to neighbouring islands, tourists are scrambling to find ...

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 ...