Scientists had determined that ocean acidification enters this danger zone or crosses this planetary boundary when the amount of calcium carbonate—which allows marine organisms to develop shells ...

A Chinese aircraft carrier made one of its deepest forays into the Pacific Ocean over the weekend as Beijing continues to project its military power further from its shores.

Instead, the Axial Seamount sits about a mile below the surface of the Pacific Ocean, reaching about 3,500 feet above the surrounding seafloor. The entire region sits atop a plate boundary where ...

This video clip comes from a live camera showing 14-foot tall actively venting hot spring deposit called "Mushroom" located within the ASHES vent field on Axial Seamount in the Pacific Ocean.

An early start to the season The average date for the first tropical storm of the eastern Pacific season is June 10, according to the National Hurricane Center. "If a storm forms soon, it would be ...

A 24-year-old Indo-Pacific bottlenose dolphin named Rita has died at Hong Kong’s Ocean Park after showing signs of fatigue and a loss of appetite. The marine mammal had lived at the park for ...

Nearly a mile deep and about 700 miles northwest of San Francisco, the volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles off the Oregon coast, but it is showing signs it will soon erupt for the first time since 2015.

Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth's volcanic output — magma and lava — occurs in the ocean.

Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth's volcanic output—magma and lava—occurs in the ocean.

NEW YORK, May 20 (Xinhua) -- A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year -- nearly a mile deep and about 700 miles northwest of San ...