Few animals seem less animal-like than sea cucumbers. The long, slender beings often appear motionless like the vegetable they resemble as they bask on the seafloor. They lack a brain, eyes or obvious ...

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 ...

Scientists on a submersible in the Pacific Ocean found a 1-foot-long sea creature with 24 “feet” and discovered a new species, a study said. Getty Images/iStockphoto Several miles below the surface of ...

From a butterfly shaped by 40,000 years of isolation to creatures 1,400 feet below the sea, scientists uncovered thousands of ...

Sea cucumbers are marine invertebrates found in every ocean around the world. There are over 1,700 known species, ranging from less than an inch to over 6 feet long. Although many have elongated, ...

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 ...

Scientists in a submarine in the South China Sea found a reddish ocean animal with over 70 feet and discovered a new species, a study said. Photo from Sarah Lee via Unsplash Scientists onboard a ...