The video above takes viewers beneath the waters off Bali, Indonesia, where a truly unusual marine animal glides across the seafloor. At first glance, it looks almost unreal — soft, translucent, and ...

About 310 miles off the coast of Tokyo, Japan, a small team of researchers from the Japan Agency for Marine-Earth Science and Technology recently squeezed into a deep-sea submersible and dove deep ...

Reaching over 30 feet long, the mysterious giant oarfish is the real-life "sea serpent" behind centuries of myths and legends ...

A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been captured on camera off the coast of Argentina, offering scientists a rare glimpse ...

Deep down in the sea, where no light penetrates and where the availability of food is very low, life somehow exists in ways ...

Scientists on California’s Central Coast recently spotted a giant, evasive seven-arm octopus while on a research expedition in Monterey Bay.The rare creature, called Haliphron atlanticus, was seen by ...

Researchers are not even halfway through analyzing the thousands of samples collected from the Southern Ocean, but they've already discovered 30 new deep-sea creatures. Reading time 2 minutes The deep ...

Find out what fossils have revealed about ichthyosaurs, which included the biggest marine reptile that ever lived.

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen around 250 meters below sea level Scientists filmed a rare giant phantom jellyfish off Argentina during a ...