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

Large explosive eruptions occur in Yellowstone around once every 700,000 years, according to the U.S. Geological Survey.

New mapping of the magma lying beneath Yellowstone National Park sheds light on where volcanic activity is shifting, and the ...

A toddler had a narrow escape after he ran away from his family ‘in a split second’ as they admired the edge of the active ...

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

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

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

Massive volcanic eruptions on the Indian peninsula have long been proposed as an alternative cause for the demise of the dinosaurs. This phase of active volcanism took place in a period just ...

Scientists have used advanced techniques to find the answer to the troubling questions: when will Yellowstone erupt and what will the effects be?

The trades winds are being replaced as kona winds take over. By Sunday through much of next week, southwesterly winds will ...

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

From the rim of the caldera in Hawaii Volcanoes National Park you can see the massive eruption of Kīlauea, one of two volcanoes in the park. Glowing red lava shoots high into the air before falling ...