A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

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

The ongoing eruption at Kilauea is drawing what one tourism executive calls a "lava-chaser" effect, boosting business ...

Mayon Volcano in Albay logged 19 volcanic earthquakes in the past 24 hours, the Philippine Institute of Volcanology and ...

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

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

Mount Damavand is many things at once: a dormant volcano, a national icon, a climber's proving ground, a wildlife refuge, and ...

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

Mayon Volcano in Albay logged 338 rockfall events in the past 24 hours, the Philippine Institute of Volcanology and ...

A small-scale volcano effect created using matchsticks. Exclusive: Dick Durbin blasts Kristi Noem on proof of citizenship ...

The St. Vincent and the Grenadines government says it will boost the surveillance and monitoring of the La Soufriere volcano ...

Hawaii Volcanoes National Park's Kilauea volcano erupted for the first time this year, drawing hordes of crowds. Here's what ...