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 ...

The island was destroyed by the same volcano that formed it seven years before. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. An island near ...

An undersea volcano erupted off Japan three weeks ago, providing a rare view of the birth of a tiny new island, but experts say it may not last very long. The unnamed undersea volcano, located about ...

Volcanic eruptions are not new in Tonga. A big chunk of the Polynesian nation — an archipelago of over 170 islands — owes its existence to volcanic activity, which created its chain of western islands ...

Over millions of years, the Earth’s upper layers have performed a dance that has created mountains, volcanoes, continents, ridges and ocean trenches. Tectonic plates play a key role in this process.