Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest life forms thrive. These deep-sea creatures have evolved in total darkness ...

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

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 ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

The deep sea is home to weird and wonderful creatures that, over millions of years, have evolved specific traits to survive the extreme conditions of their habitat. These adaptations to their ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

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

Far below the surface of the South China Sea, a creature with “glass-like” skin was discovered. Greg Nerantzakis via Unsplash Deep below the surface of the ocean in the South China Sea, a robot named ...

Researchers inside a deep-sea vehicle collected sea cucumbers from the seafloor, then discovered two new species. Jong Marshes via Unsplash Off the western coast of Australia, the Wallaby-Zenith ...

As companies search underwater for resources, scientists are taking inventory of the ocean-dwelling creatures that could be disturbed or harmed by deep-sea mining.

Sea urchins have a body that is entirely made up of "head"—with a surprisingly complex central nervous system that functions, in essence, like an "all-body brain." This is the conclusion of an ...