Tephra formed by lava fountains during the ongoing Kīlauea summit eruption has created a new puʻu, or hill, southwest of ...

Scientists in the United States are preparing to drill into one of the country’s most closely watched volcanoes in a bid to ...

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

Manila — A volcano briefly erupted in the central Philippines on Monday, sending a huge ash column high into the sky as the government ordered the evacuation of tens of thousands of people from ...

REYKJAVIK, Iceland — A volcano in southwestern Iceland erupted for the second time in less than a month on Sunday, sending lava snaking toward a nearby community and setting at least one home on fire.

"While no human lives and livestock have been lost so far, many villages have been covered in ash and as a result their ...

(CNN) — Scientists may have pinpointed a massive, oddly shaped volcano taller than Mount Everest on the surface of Mars — and it has been hiding in plain sight for decades, according to new research.