Lava erupted from the summit of Kilauea volcano in Hawaii. Dramatic footage shows geologists from the United States Geological Survey (USGS) Hawaiian Volcano Observatory collecting tephra that fell on ...

Like fortune tellers who peer into a crystal ball for insight, volcanologists at the USGS Hawaiian Volcano Observatory peer into the tiny crystals contained in lava flows to learn about the magma’s ...

The Kilauea volcano in Hawaii Volcanoes National Park erupted again on Wednesday, January 15, marking the fourth episode of ...

About 27 million people live in parts of the U.S. where water availability is limited, according to a first-of-its-kind ...

While the end to the fire danger is not yet in sight, experts say the hazards that will remain in its wake will be severe.

After a 12 day pause, the summit eruption at Kilauea volcano entered its forth eruptive episode Wednesday morning, the U.S.

Hawaii’s Kilauea volcano roared back to life and resumed its eruption Wednesday as dramatic video provided by the U.S.

Melting ice in Yellowstone has revealed the fossilized remains of Whitebark pine trees that formed a part of a larger ancient ...

A 12-year campaign to gain federal protection for an imperiled and culturally significant fish found only in Clear Lake has ...