Hydrothermal activity detected for the first time in the underwater volcano between Tenerife and Gran Canaria. Experts issue warning.

A recent eruption of Kīlauea on Hawaiʻi's Big Island, temporarily closed areas of Hawaiʻi Volcanoes National Park and serves as a reminder to travelers of key volcano tourism safety tips.

If someone told you that you could walk to the top of an active volcano in California, you’d probably assume they were ...

A new NASA satellite image has captured a rare view of an erupting volcano, revealing its bright red lava flow as seen from space.