When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

A larger shelf means legal access to more of the ocean floor’s riches: animals, hydrocarbons, and, perhaps most important, minerals to power electric-vehicle batteries. America has no immediate plans ...

Scientists discover an ancient mud volcano in the Barents Sea, providing a unique habitat for vulnerable Arctic marine ...

In the 1960s, the U.S. Navy was exploring the other "final frontier" -- the sea. A series of underwater habitats called "Sealabs" were constructed for scientific exploration on the ocean floor.

Puget Sound might be sheltered from feeling many strong winds directly, but it’s not immune to their ripple effects. For ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

Andy Haverly aims to save Earth by using a 1960s project to extract geological materials from the ocean floor.