The new jelly was spotted off Rhode Island while the shark was discovered between Antarctica and Africa.

The endangered whale shark is as mysterious as it is enormous. Here’s how you can swim with whale sharks in Mexico.

The flamboyant aggregation of cuttlefish in Whyalla, Australia draws divers down under year after year. This is what it's like to experience it yourself.

These marine “friends” have found ways to not only coexist but provide a benefit to their partner.

Meet the fastest, strongest, and most enduring animals in the ocean.

The young dolphin spent an entire dive dazzling divers in the Bahamas.

During a six-day shark Field School in Miami, learning how to perform a shark biopsy and draw its blood (for science) turns this diver into a stronger ocean advocate.

Mobula ray populations are declining worldwide. Here’s how to leverage your tourist dollars and join a citizen science expedition to help save the rays.

The lizards, which are several species of anoles, have evolved to breathe underwater by recirculating air into a bubble that clings to their snouts for minutes at a time.