A team of scientists working off the coast of Costa Rica have identified four previously unknown deep-sea octopus species in the vicinity of hydrothermal springs on the ocean floor. They also ...

From worms with squid-like tentacles to fish with teeth on their tongues, here are some of the most alien-looking creatures ...

A deep-sea octopus nursery, just the third known to exist, has been discovered off the coast of Costa Rica, according to the Schmidt Ocean Institute. Scientists were able to see an active octopus ...

The deep-sea Dumbo octopus was spotted a mile below the surface of the Pacific Ocean, close by an unnamed seamount in the Papahānaumokuākea Marine National Monument.

One deep-sea octopus species broods its eggs for four and a half years. Away from the hydrothermal vents in the near-freezing temperatures of the deep sea, egg-brooding periods are thought to last ...

Deep in the ocean, living in eternal darkness, is the dumbo octopus (of the genus Grimpoteuthis), a creature that few humans have seen face-to-face. When someone is lucky enough to spot one, they're ...

A submersible in the Pacific Ocean found a deep-sea creature with “long,” sucker-covered arms and discovered a new species, a study said. Screenshot from video shared via Tang, Zheng and Zhang ...

From the spooky anglerfish with its glowing lure to the bizarre blobfish that looks like it's been squished, there's no ...

Deep in the ocean, living in eternal darkness, is the dumbo octopus (of the genus Grimpoteuthis), a creature that few humans have seen face-to-face. When someone is lucky enough to spot one, they ...

A submersible in the Pacific Ocean found a deep-sea creature with “long,” sucker-covered arms and discovered a new species, a study said. Screenshot from video shared via Tang, Zheng and Zhang ...

A submersible in the Pacific Ocean found a deep-sea creature with “long,” sucker-covered arms and discovered a new species, a study said. Screenshot from video shared via Tang, Zheng and Zhang ...

A submersible in the Pacific Ocean found a deep-sea creature with “long,” sucker-covered arms and discovered a new species, a study said. Screenshot from video shared via Tang, Zheng and Zhang ...