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 ...

Scientists said “episode 17” of Kilauea Volcano’s ongoing eruption ended at 9:45 a.m. today after low fountaining stopped at the south vent. The Hawaiian Volcano Observatory said this latest episode ...

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

There is much to appreciate about the ongoing Kilauea summit eruption as it approaches its six-month anniversary on June 23. The stunning episodic lava fountains and lava flows erupting within ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

Mars is home to the tallest mountain in the Solar System, Olympus Mons, an extinct volcano three times as tall as Mount Everest. There are several other examples of volcanoes and volcanic features ...

Volcanic eruptions frequently interfere with human affairs; impacts range from minor nuisances to major disasters. Some 50 to 65 different volcanoes typically are active in any given year, and among ...

Add Yahoo as a preferred source to see more of our stories on Google. Marco Calo, left, a geophysicist at the National Autonomous University of Mexico (UNAM), take a break on the slopes of the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An unknown volcano ...