The mystery of a pyramid structure that was found under the sea off the coast of the Azores Islands in 2013 is still puzzling ...

Global warming is driven by under-sea volcanoes; hot, 40,000-mile-long mid-ocean mountain ridges and rifts, ocean currents, and the amount of sunlight penetrating Earth’s surface. Man’s puny 0 ...

Tell me if you’ve heard this one before: a volcano scientist who does her work in the middle of the Pacific Ocean—at the ...

Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

The Japanese government has released new guidelines for residents in case of a Mount Fuji eruption, advising them to stay ...

Experts have been working on mapping the ocean floor with traditional methods, sending ships across the water with sonar ...

The volcanoes that form where tectonic plates are pulling apart are now seen at midocean ridges, which are places under the ocean where two pieces of crust move away from each other. Two major ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...

Mount Spurr, located about 75 miles West of Anchorage, has been acting up in recent weeks, prompting officials at the U.S.

Hidden in the stormy Furious Fifties, the South Sandwich Islands generate spectacular cloud formations. Winds sweeping past ...

The San Andreas fault line caused destruction and distinction in California. Ray Isle offers an itinerary to explore the ...