The three-person submersible was 8,200 feet deep in the Pacific when its occupants saw flashes of molten lava.

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

Researchers exploring the underwater wreck of an American aircraft carrier have discovered what's left of a wood-panelled ...

There is currently no commercial deep-sea mining happening anywhere in the world, though companies have been pushing for years. They appear to have found a new champion in Trump.

Finding aircraft actively involved in the pivotal battle of World War II in the Pacific was the most important discovery in ...

Discoveries made on expedition of sunken Yorktown CV-5 are chance for new stories to be told aboard Yorktown CV-10 museum ...

Even biologists only capture a glimpse of the lives of whales. There are still many species whose lives are largely a mystery ...

Researchers in a submersible could hardly believe their eyes, or their luck, when they saw a clearly active eruption along an undersea volcanic mountain chain.

Researchers diving in a submersible in the eastern Pacific realized that the landscape they had studied the day before had ...

Secretary Phelan’s visit included meetings with industry leaders and underscored the importance of the Indo-Pacific region ...

Native Hawaiian and environmental leaders are raising the alarm after President Trump signed an executive order aimed at boosting the deep-sea mining industry.

Geologists led by the University of Maryland and the University of Hawaiʻi finally connected the dots between one of the ...