A carnivorous death ball sponge preying on victims in the dark recesses of the ocean floor may sound like something from a sci-fi horror movie, but that was exactly what was found in a pioneering ...

Trawlers targeting flatfish in the Bering Sea deployed underwater web fences this summer to try to keep killer whales from getting entangled in their nets pulled along the ocean bottom. During a ...

"It's a whole new way of looking at what's in the ocean." In this undated file photo, a large group of yellowfin tuna is shown in the waters off Vibo Valentia, Calabria, Italy. Giordano Cipriani/Getty ...

There’s a reason why the idea of aliens living at the bottom of the sea keeps popping up in popular culture. Many of us are ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

A heavy metal net is dragged across the seafloor at breakneck speed, churning up dark clouds of sediment and swallowing everything in its path. A blue-spotted stingray tries to flee, flailing its ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Around the UK, hundreds of marine protected areas (MPAs) appear on maps as blue sanctuaries for ocean life. In theory, these ...

China is the world's top fish consumer and is spending billions on technology designed to restock the oceans. But will this expensive experiment actually work? A short ferry ride from the port city of ...