Volcanologists are closely monitoring the 11,070-foot-tall stratovolcano, located roughly 75 miles from Anchorage, after a recent uptick in earthquakes ...

Mount Etna, standing around 3,300 meters (10,800 feet) high, erupts with smoke streaming from its summit and lava spilling from the new “Bocca Nuova” crater, according to Reuters.

Pagosa Springs, Colorado, is home to the Guinness World Record's certified world's deepest geothermal hot spring aquifer at ...

A team of scientists from the Czech Republic has discovered the world’s largest underground thermal lake, located in southern ...

Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...