With their sleek, streamlined bodies and distinctive velvet-black fin tips, this species is considered one of the most beautiful sharks in the ocean.

The basking shark is the second-largest fish in the ocean. Learn where you can encounter this unique shark and other fun facts!

A true story about an unusually large sperm whale inspired the novel *Moby-Dick*.

This huge ocean sinkhole lies in the heart of Lighthouse Reef, a unique atoll. Here are five fun facts about this bucket-list spot for scuba divers.

The joint effort launched by the scuba-gear manufacturer, Catalina Cylinders and The Wyland Foundation will benefit ocean conservation.

The sportswear giant is working with Parley to turn plastic pollution in the ocean into high-performance sportswear.

The complexities of ending shark finning by rural fishermen who are dependent on the sea to feed their families.

Australian researchers now have a better understanding of the whales' flashy surface behaviors.

For World Whale Day 2017 *Scuba Diving* is celebrating with some of our favorite whale pictures from our 2016 photo contest.