In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

Scientists start to solve mystery of what’s inside Mexico’s ‘majestic’ giant volcano - Most of the world’s volcanoes that ...

Some volcanoes erupt with little to no warning, posing serious risks to nearby communities and air traffic. A study of Alaska's Veniaminof volcano reveals how specific internal conditions like slow ...

Streams of molten lava flowed from Hawaii's Kilauea volcano overnight Saturday into Sunday, ahead of another eruption expected to take shape in the coming days, the U.S. Geological Survey said.

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea's 31st display ...

Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea’s 31st display of molten rock since ...