Satellites have detected large volumes of methane spewing from Mount Fentale’s crater following months of earthquakes that ...

The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it ...

Alaska, largely unspoiled wilderness, looks like something out of The Lord of the Rings.

A fiery force beneath the ocean is reshaping Tonga’s Home Reef, growing an island through eruptions over the past few years.

Indonesia offers a breathtaking mix of cultural heritage and natural wonders, from towering volcanoes to ancient temples.