Dynamic mounds made of methane at a depth of some 3,640 meters act like “frozen reefs” for a bizarre array of deep-sea ...

When most of us picture the ocean, we imagine turquoise waves, colorful reefs, and shoals of darting fish. But that’s only the surface. Venture deeper, far below the last reach of sunlight, and you ...

Beachgoers on a popular stretch of U.S. coastline have been stopping in their tracks at the sight of translucent, blue and ...

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 rare deep-sea creature, sometimes called a "doomsday fish," made a mysterious appearance on a remote beach in Tasmania, and the eerie encounter is causing people to wonder about what's really ...

A newly discovered predatory “death-ball” sponge in the Southern Ocean hunts small prey with tiny hooks, revealing surprising deep-sea behaviour and hidden marine biodiversity.

The anemone is part of a new species, genus and family, according to the study. Photo by Yanghong Yu via Unsplash A “strange” creature recorded in the deep waters off the coast of Japan represents an ...

Enigmatic octopuses that have been newly discovered in the waters off Costa Rica add to a growing registry of deep-sea dwellers. When you purchase through links on our site, we may earn an affiliate ...

Hordes of bright blue, jellyfish-like sea creatures are washing up on beaches across California. As of Monday, thousands of the critters — called velella velella or by-the-wind sailors — have been ...

Whether it's reversible anuses or exploding intestines, the natural world proves that internal body parts shouldn't always ...