The deep sea, a realm of perpetual darkness, crushing pressure, and cold temperatures, is home to some of the most unusual and mysterious creatures on Earth. Recent discoveries have unveiled a host of ...

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

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

As you get closer to the bottom of the ocean, it gets darker, denser and stranger. All light from the surface has been absorbed, and only the most adapted species can navigate the lack of oxygen in ...

Scientists off Japan found a deep-sea creature with 18 “dark yellow eggs” and discovered a new species, a study said. Getty Images/iStockphoto Thousands of feet down off the coast of Japan swam a pink ...

In the deep sea, there are places where chemicals and nutrients seep out of the sediment and into the water. These chemosynthetics-based ecosystems were discovered in 1977, and in the decades since, ...

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

Some animals do not have red blood like humans. From spiders to octopuses, their copper-rich blue blood helps them survive ...

Thousands of feet down off the coast of Japan swam a pink sea creature with “dark yellow eggs.” Out of the shadows, something encircled it and pulled it to the surface. Sifting through their catch, ...