NICE, France—The deep sea—Earth’s largest and least-explored biome—is taking center stage at the United Nations Ocean conference this week, where marine experts are demanding world leaders end bottom ...

A mining company sent an advanced ship to try to vacuum up valuable minerals from the deep ocean. Here’s how it worked.

Far out on the high seas, on any given day, hundreds of fishing vessels drag huge nets, big enough to snag a 747 jumbo jet, across the ocean bottom, vacuuming up 150-year-old fish, flattening ancient ...

A proposed rule would promote research and conservation efforts at a California national marine sanctuary. A proposed rule from NOAA Fisheries would bar fishermen from using gear that touches the ...

In the past, scientists, industry and government have worked together in surprising, tense and fruitful ways Christian Elliott A variety of marine creatures and unique features can be found in the ...