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

A deep-sea expedition has revealed an active underwater volcano off the Pacific coast of Canada, covered with thousands, ...

For years, scientists believed the volcano and its surrounding ecosystem were extinct.

More than a million large, leathery egg capsules have been found resting on the summit of an underwater volcano off Canada’s ...

Satellite images show an undersea volcano erupting near the South Pacific nation of Tonga on Saturday. The country’s ...

Add Yahoo as a preferred source to see more of our stories on Google. People watch the surf on the coast of Central Oregon. The Axial Seamount, an underwater volcano 300 miles off the coast of Oregon, ...

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 ...

One of the most significant volcanic eruptions in the recent history of our planet occurred over 7,000 years ago in southern ...

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 ...

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 ...