One hundred years after John Wesley Powell’s historic trek down the Grand Canyon, National Geographic went on a commemorative expedition to see the wonders the geologist wrote about and the risks he ...

Experience the awe-inspiring eruption of Kilauea, Hawaii's most active volcano, as molten lava cascades down rugged slopes and illuminates the night sky. A drone captures the raw power of nature, ...

The discovery was made by re-analyzing radar data from NASA's Magellan spacecraft from the early 1990s. This finding confirms long-held theories about the existence of subsurface volcanic features on ...

WASHINGTON, Feb 9 (Reuters) - A fresh examination of radar data for Venus obtained by NASA's Magellan spacecraft in the 1990s indicates the presence of a large underground cavity created by a lava ...

Molten lava from a 2017 eruption of Kilauea flows into the ocean off Hawaii. Even once it cools, the lava “deltas” formed by eruptions can be dangerous, Hawaii officials say. Photo by Marc Szeglat via ...

The Lava River Cave exhaled chilled air. I put on my sweatshirt, despite the hot July day. Though I'd been warned about the sudden drop in temperature to a crisp 42 degrees, it was hard to believe I'd ...

SNOW CANYON STATE PARK. Follow us as we hike the lava flow trail at Snow Canyon State Park near St. George, Utah. This is a beautiful trail featuring red rocks, lava rock, a stream and lava tubes.

Episode 29 of the ongoing Kilauea eruption came to an abrupt end Sunday evening after more than 13 hours of continuous lava fountaining, according to the U.S. Geological Survey’s Hawaiian Volcano ...

Erupting from fiery volcanoes, lava has historically been an uncontrollable force that destroys buildings and neighborhoods in its wake. But what if that force could instead be redirected and ...