A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent plume of ash, steam and rock, turning a patch of open ocean into a churning ...

WELLINGTON--New Zealand and Australia were able to send military surveillance flights to Tonga on Monday to assess the damage ...

Scientists are predicting that a mile-long volcano off the U.S. West Coast will erupt this year. The Axial Seamount, an underwater volcano located about 300 miles off the coast of Oregon, is ...

Amazing footage taken by Japan's Coast Guard shows an eruption near Iwo Jima after an eruption just two months prior to when ...

A team of researchers dove deep underwater to study a underwater volcano. They discovered how the ash and rock from the ...

A team of marine researchers lowered a camera beneath the ocean surface to capture, for the first time ever, how underwater ...

An underwater volcano off the Oregon coast could erupt late this year, scientists say. The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles off the ...

WELLINGTON, New Zealand — New Zealand and Australia have sent military surveillance flights to assess the damage in Tonga caused by Saturday's huge undersea volcanic eruption. Communications with the ...

Researchers discovered that massive lava flows and collapsing lava ponds at Axial Seamount reveal how underwater eruptions reshape the seafloor.

“It was like a shotgun blast directly into the sky,” said one marine geologist. A New Zealand-led team of marine geologists investigating an underwater volcano that erupted on Jan. 15 in the Tongan ...

This situation is heating up. One of the world’s most volatile volcanoes is silently refilling with molten rock, sparking ...