LA VERGNE, TN ... Kilauea volcano on the Big Island that started Dec. 23. The latest episode didn't last long. Fountaining ...

Rocks in Zimbabwe preserve a remarkable record of this time interval.” The proposal that in some areas of the world, large quantities of bioavailable nitrogen in the form of ammonium may have ...

With a country this big, it’s no surprise you can find many beautiful mountains in the United States. Some of the most ...

We took the long way home, starting in the farmlands of Vermont and making out-of-the-way pitstops for hiking in the Great Smoky Mountains of Tennessee ... on an eroded volcanic crater.

Guatemalan authorities evacuated around 1,000 people Monday after Central America's most active volcano erupted, spewing lava, ash and rocks. By night, however, the eruption was declared over ...

Grand Canyon, Arizona The Grand Canyon is undoubtedly one of the most iconic landscapes in the United States. With its vast, ...

A 30,000-year-old vulture fossil was found in volcanic rock. Scientists discovered microscopic feather details preserved in ...

A new study by Dr. Margherita Mussi, published in Quaternary International, highlights how naturally occurring basalt spheres ...

For years, social media users have shared images and videos they claimed show Elephant Rock, a naturally formed geological ...

Lava from Hawaii’s most active volcano created fountains that reached 700 feet (215 meters) Thursday during the latest ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it’s visible ...

Alotenango, Guatemala — Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, spewing lava, ash and rocks. Residents with ...