A massive underwater explosion in the Indian Ocean has just revealed something incredible — a brand-new volcano rising from ...

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 ...

Deep under the western United States, two of the planet’s largest volcanic systems are quietly reshaping rock and gas. In California and Wyoming, scientists have reported unusual behavior that has ...

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 ...