Geologists have uncovered the remains of a massive tectonic plate beneath the Pacific Ocean, a plate that had been hidden for ...

Far beneath the ocean's surface, where mountain belts rise and ancient oceanic crust lies hidden, a long-lost tectonic plate ...

Researchers have dated back the oldest rocks of the Pacific Ocean 200 million years, according to the National Ocean Service. More than 30% of the Earth's surface is made up by the Pacific Ocean.

Extremely slow rocks deep in the ocean. I am on a hunt for stardust on Earth. Previously, I’ve sifted through snow in Antarctica. This time, it was the depths of the ocean. At a depth of about 5,000 ...

Sci-fi fan Steve Nielson’s remains were aboard a memorial spaceflight sent into orbit. They were supposed to be returned to his widow.

They suggest that it could even mean "a lost world" below the Pacific Ocean. Research revealed a "major mystery" deep beneath the Earth's bodies of water and crust.

The Trump administration is considering a first-of-its kind mining project at the bottom of the Pacific Ocean. But deep-sea mining has raised major environmental questions.