Red glowing lava was visible inside the Kilauea Volcano on the Big Island of Hawaii late Sunday night and early Monday ...

The Ferrovia Circumetnea was built in the 19th century and loops around Mount Etna through lava flows, pistachio plantations ...

Find the answer for Europe's most active volcano from the people who brought you the USA TODAY Daily Crossword Puzzle.

INCREASED seismic activities were recorded at Mayon Volcano in Albay and Kanlaon Volcano on Negros Island over the past 24 ...

Mount Etna is Europe’s most active volcano and the continent’s largest. It attracts hikers and backpackers to its slopes, ...

The Philippines has evacuated nearly 3,000 villagers from a danger zone on the foothills of the Mayon Volcano after officials ...

"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...

All that volcanic activity means natural hot springs are prevalent within and outside the park. Two favorites include Tabacón ...

Hawaii's Kilauea was spraying a spectacular fountain of lava on Monday, keeping up its reputation as one of the world's most ...

The trip was a chance to show off new technologies developed in the Boise State lab. What Mock did not know at the outset of ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...