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Marine Life

New Deep-Sea Discoveries: Blood-Red Jellyfish, "Ugly" Shark

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

How to Swim with Whale Sharks in Isla Mujeres, Mexico

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

What It's Like to Dive Australia's Cuttlefish Aggregation

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 Are the Best Friends in the Ocean

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

In the 2021 Ocean Olympics, These Marine Animals Take Gold

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

WATCH: Friendly Dolphin Puts on Show for Lucky Divers

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

For The Love Of Sharks: What I Learned During a Week at ‘Shark School’

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.

Snorkeling with Baja’s Mobula Rays

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.

Scuba Diving Lizards Use Rebreather-Like Bubble to Breathe Underwater

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.