A remote underwater volcano in the Pacific has erupted again, hurling superheated material into the sea and staining the ...

A remote volcano in Russia’s far east has roared back to life in spectacular fashion, unleashing two violent explosions ...

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 ...