Moments before one of the largest underwater volcanic eruptions smothered the Pacific island of Tonga, a strange signal ...

A lava stream from a volcanic eruption in West Iceland is brighter than the lights of the city's nearby capital, new infrared ...

Images snapped from space reveal lava streaming from a fissure in the ground in the area's seventh volcanic eruption within a ...

New research has revealed that the Ninetyeast Ridge -- the Earth's longest straight underwater mountain chain -- formed through a different process than previously believed. Stretching 5000 km along ...

The volcanic eruption at Sundhnúksgíga on Iceland's Reykjanes Peninsula has reached defense structures near Svartsengi Power Station and the Blue Lagoon attraction.

4) An historical look at why natural gas prices have fallen in four out of the last five consecutive autumn-to-early-winter periods. Given the record warm oceans and Gulf of Mexico, a tropical ...

Imagine living near a place where a volcano erupts not once - but seven times in a year. That's what some people in Iceland have been experiencing, as a volcano on the Reykjanes Peninsula has ...

Just one day after two people were reported to have died during an earthquake, Mexican authorities issued an alert following two explosions at the Popocatepetl volcano Tuesday. Residents were ...

A volcano in Iceland has erupted for the seventh time this year leading to evacuations. NBC News' Valerie Castro has more on ...