Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

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

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Thousands of rubbery blue "by-the-wind sailors" are washing up on California beaches following ...

What are the blue blobs washing up on California beaches? What to know about these strange sea creatures. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

The knotty sea spider, Pycnogonum litorale, is not actually a spider, but it does represent a significant early branch in the genetic family tree that includes spiders, as well as scorpions, ticks and ...

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 ...

Portuguese man-of-war are washing up on North Carolina beaches, forcing officials to issue a warning to beachgoers along a 150-mile stretch of sand from Cape Lookout to the South Carolina state line.

These gelatinous and somewhat translucent organisms, called pyrosomes, have been seen congregating, sometimes by the thousands, close to shore from Northern California up to southeast Alaska—clogging ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...