Submarine volcanoes, volcanic structures hidden beneath the ocean surface, play a vital role in shaping Earth’s geology and marine ecosystems. Formed through tectonic plate movements, rising magma, ...

A new island formed a week ago off the coast of the Japanese island Iwo Jima thanks to the work of an undersea volcano. The unnamed volcano first began erupting on Oct. 21 and has spewed enough ...

In the middle of the Pacific Ocean, thousands of miles from any continent, Easter Island rises out of the sea. Its surface tells a story of volcanism that began roughly 2.5 million years ago, but ...

The Earth's mantle might not always move along in lockstep with the overlying tectonic crust—as set out in science textbooks for decades—but may instead behave differently. This is the conclusion of ...

Now that that the risks and hazards of COVID-19 have been greatly reduced, and after several years of curtailing travel, we are making up for some lost time. On July 30 we flew to Quito, Ecuador, and ...

Countries with the Most Volcanoes: Volcanoes are powerful openings in the Earth’s crust where hot lava, ash, and gases escape from below the surface. Some countries have more volcanoes because they ...