At first glance, it looks like something straight out of a horror movie. Pale, translucent, and equipped with eerie glowing ...

Forget Bigfoot. Some of the ocean's rarest animals have been spotted far less often than mythical monsters. Many live in the twilight zone, 650 to 3,300 feet below the surface, where just enough ...

Add Yahoo as a preferred source to see more of our stories on Google. A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been captured on ...

When scientists set sail to explore the deep sea, they knew they would come face to face with a few unfamiliar creatures. What they did not know was just how many. After months of sorting, marine ...

Add Yahoo as a preferred source to see more of our stories on Google. Two deep-sea oarfish — nicknamed “doomsday fish” for their folkloric ties to earthquakes — washed up near the shoreline in Cabo ...

A new blue octopus species, Microeledone galapagensis, was recently discovered near Darwin Island in northern Galápagos.

Mucus, feces, skin and other shed tissue allowed researchers to investigate which creatures have been swimming in two deep-sea canyons without having to observe or catch them ...