The island, named Tofua, consists mainly of a massive ring-like caldera left by an explosive eruption millions of years ago. The caldera's steep walls stand up to 1,690 feet (515 meters) above sea ...

A mysterious, dark smoke ring was seen over Kansas on Monday, but scientists say smoke rings like this are usually man-made.

A timelapse video has captured a volcano in Iceland spewing ash and clouds of smoke against the backdrop of the Northern Lights. The volcano on the Reykjanes peninsula has erupted several times ...

Guatemala's Volcano of Fire erupted overnight, prompting authorities to evacuate nearly 300 families and issue warnings for an additional 30,000 people at risk. There have been no immediate ...

A MASSIVE Alaskan volcano is on the brink of erupting — and terrified experts warn it could happen within weeks. Mount Spurr, ...

Arenal Volcano, Costa Rica's best-known stratovolcano, stands more than 5,000 feet high and appears to touch the clouds ... that they could see the smoke coming from the top on their clear ...

GRINDAVIK, Iceland (AP) — A volcano in southwestern Iceland that has erupted repeatedly for more than a year again belched lava and smoke into ... which spewed clouds of ash into the atmosphere ...

Dramatic new video shows the moment two firefighters became trapped in a toxic cloud of smoke with “no escape ... been like hanging above “a mini-volcano about to erupt” and “incredibly ...

The eruption, a vibrant display of lava and smoke, prompted evacuations of areas around ... The most disruptive in recent times was the 2010 eruption of the Eyjafjallajokull volcano, which spewed ...