You can quickly ruin a relaxing beach day by stepping on a marine animal washed up on shore. Watch out for these creatures if ...

In Japanese folklore, appearances of these elusive marine creatures dubbed ‘doomsday fish’ are believed to foreshadow ...

Seen up close, each polyp has a tube-like body and an opening ringed with dozens of “transparent” tentacles. These ...

A newly discovered deepwater tilefish, Branchiostegus sanae, has been named after San from Princess Mononoke due to its unique facial markings. Researchers confirmed its new-species status through ...

There are about 200 documented species of jellyfish pulsing their way through the world's waters. Most range from the size of your belly button to the size of a car tire.