The Canary Islands not only boast the third largest volcano in the world, but also the largest natural underwater lava tunnel. Mount Teide, the third largest volcano, resides in Tenerife ...

These newly mapped underwater volcanoes were first theorized in 2024 after researchers discovered that the rocks of one submerged volcano were only 670,000 years old.

Scientists believe a massive underwater volcano is on the brink of eruption ... produce runny lava flows that result in gentle slopes. They earn their name due to their resemblance to a shield ...

Credit: @ Didier Marti/Getty Images A series of relatively young underwater volcanoes has been discovered under the waves of the Pacific Ocean, some of which may even be active. The volcanoes were ...

Off the coast of American Samoa, an active underwater volcano towers above ... was spotted straddling two rocks on the slope ...

Underwater volcanoes can be biodiversity hotspots as they bring up nutrients from the sea bed and offer a place in which fish can shelter. Ferdinandea hosts an abundance of life, such as schools ...

Charlotte Lytton and Matthew Abbott traveled to Tonga to report this story. All photographs were made in May 2023. Sept. 1 at 6:00 a.m. Warning: This graphic requires ...

Museum experts are exploring how to bring the science dioramas of yore into the 21st century, while ensuring scientific accuracy and acknowledging past ...

In the past week, over 550 earthquakes have struck the Atlantic Ocean On Friday, a 5.1-magnitude quake hit the southern tip of El Hierro This seismic activity suggests an underwater volcano could ...

Mount Spurr near Anchorage has been showing signs of unrest for a year. Now scientists think it's creeping closer to an eruption.

The tsunami could have been caused by an underwater volcano eruption or a quake-triggered seabed landslide. But JMA officials said they had not uncovered enough details to determine the cause.