Rich in minerals and naturally heated by geothermal energy, the waters of this iconic spa are prized for their healing properties. Here’s how to experience them for yourself.

The seventh eruption of the volcano on Iceland's Reykjanes Peninsula in the last year certainly didn't go unnoticed. "The ...

A volcano in Russia's far east on Wednesday spewed ash several kilometers into the sky, authorities said, putting on a ...

Large lava fountains erupted from the north and south vents Jan. 24 within Halemaʻumaʻu Crater — reaching heights of at least 1,475 feet — during Episode 41 of the ongoing episodic eruption at Kīlauea ...

Episode 41 of lava fountaining in Kilauea’s Halemaumau crater began late this morning, according to the U.S. Geological ...

Inside an incredibly bright cluster of galaxies, a long-dormant supermassive black hole has come back to life. Radio images ...