THAT AUTUMN, A RESEARCH VESSEL called the Glomar Challenger sailed over the Mid-Atlantic Ridge to drill holes and sample sediment. Fossils within the sediment samples they retrieved gave scientists a ...

Far below the waves of the Pacific Ocean, cameras on a research vessel recently swept across something that looked impossible ...

More than 3,600 meters beneath the Arctic Ocean, scientists have stumbled onto a hidden world that should not, by ...

During an expedition to search for a famed shipwreck, researchers discovered something unexpected: striking geometric patterns on the floor of Antarctica’s western Weddell Sea created by fish. The ...

These nodules can act like batteries that split seawater into hydrogen and oxygen In an unexpected twist, metal-rich nodules found on the seafloor are generating oxygen, new research suggests. This ...

Sixty-million-year-old rock samples from deep under the ocean have revealed how huge amounts of carbon dioxide are stored for millennia in piles of lava rubble that accumulate on the seafloor.

While seaching for Ernest Shackleton's lost ship Endurance in 2019, researchers stumbled across clusters of indentations on the seafloor. Weddell Sea Expedition 2019 Scientists were using an ...

A scientific expedition off the west coast of Hawaii island recently concluded a two-week offshore imaging survey aimed at confirming the existence of a vast underground reservoir of fresh or brackish ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some types of sea ...