A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed ...

Five countries with the most active volcanoes include Chile, Japan, Russia, Indonesia, and the USA. These nations' volcanic ...

Yellowstone has been the site of persistent volcanic activity for more than 2 million years. But what did the region look ...

That movement has now left one pool of molten material on the west of the caldera disconnected from any heat sources, which ...

The Yellowstone region today is wonderland. It is full of spectacular geysers and colorful hot springs, home to lakes and ...

Kilauea is one of six active volcanoes located in the Hawaiian Islands, which also include Mauna Loa, the world's largest ...

Tristan da Cunha is a group of islands in the South Atlantic that formed from the breakup of the supercontinent Gondwana.

In the depths of the Pacific Ocean, 470 kilometers off the Oregon coast, a drama is unfolding. Axial Seamount, one of the ...