These fiery features can be as dangerous as they are mesmerizing. Here are a few things to keep in mind if you live near or ...

Juju Chang and National Geographic Explorer Andrés Ruzo fly over one of the world's most active volcanoes, where a new island ...

National Geographic Explorers celebrate the greatest American treasures—mountains, forests, wetlands and canyons—from sea to shining sea.

From the glowing lava flows of Hawaii Volcanoes National Park to Yellowstone's spewing geysers and bubbling paint pots, our national parks provide a window into the molten interior of our planet.