A rare Florida cold snap left hundreds of juvenile sea turtles cold-stunned in shallow lagoons, prompting a rapid rescue and rehabilitation response that offers a rare look inside the delicate, hands-on process of saving turtles when winter temperatures plunge. This sudden freeze highlights why protecting sea turtles matters more than ever.

Fish (and many marine invertebrates) don't have lungs. In this edition of “Ask a Marine Biologist,” Dr. David Shiffman explains how gills work.

It's one thing to see humpback whales in person, but hearing them is an entirely different—and completely transformative—experience.

With new protections achieved for sharks and rays at the most recent CITES meeting, we explore the economic case for protecting diving's most iconic species.

Sign up for a PADI Indonesia Sea Slugs and Nudibranchs Awareness Distinctive Specialty and develop the patience and skill to find some of the ocean's smallest critters.

See the image and hear how, after weeks of patiently waiting, a photojournalist and Sea Hero captured a rarely seen eel behavior—hunting our of water.

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

A bassist performs alongside live humpbacks off Baja California, creating an unforgettable ocean symphony that inspires awe and highlights the importance of protecting these extraordinary marine ecosystems.

Bipartisan legislation would ban the practice of feeding sharks off Florida’s coast, which supporters say will keep people safer and reduce conflict with recreational anglers. But the scientific evidence is mixed, and so are reactions from the dive community.