Fish (and many marine invertebrates) don't have lungs. In this edition of “Ask a Marine Biologist,” Dr. David Shiffman explains how gills work.
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Discover how a closed-circuit rebreather functions by following the path of your breath through the system.
ScubaLab tested ten new dive computers in a head-to-head evaluation. The ATMOS MISSION3 earns Testers Choice for non-air-integrated dive computers.
Video is a powerful way to tell a story. Review pieces of equipment, settings adjustments and simple techniques to capture storytelling video like a pro.
From becoming the youngest female PADI Course Director to surviving cancer to working as a safety diver for Avatar, Szilvia Gogh’s life journey is sure to inspire divers looking to set positive intentions and achieve their dreams.
Dragon Dive Resort is a PADI Five Star IDC resort in Komodo, Indonesia, that offers scuba divers quality, safety, small groups, big wildlife, and both land-based and liveaboard stays.
From luxury liveaboards to unmatched safety standards, Aggressor Adventures earns 100 Readers Choice Awards for 2026—more than any liveaboard company ever.
Sip, savor and submerge: Here's what to know if you're making Portugal's Madeira Islands your next dive destination.
Carved out by retreating glaciers millions of years ago, the Devil's Lake in Wisconsin boasts visibility that stretches up to 50 feet and an abundance of marine life—especially closer to the shoreline.
Honored for his pioneering work in hyperbaric medicine, Richard "Dick" Rutkowski, was honored with an Academy of Underwater Arts and Sciences NOGI Award for Distinguished Service.
After record-breaking heat waves, disease and water quality issues, two species of coral are now functionally extinct in Florida waters.
This island-hopping dive trip reveals Grenada and Carriacou’s best wrecks, reefs and volcanic seascapes through three distinctive PADI Five Star Dive Centers, blending personalized service, marine life encounters and the relaxed charm of the Spice Islands.
It's one thing to see humpback whales in person, but hearing them is an entirely different—and completely transformative—experience.
Discover all the Big Island has to offer. This guide pinpoints 13 of the area's best dive sites and experiences for diving day or night.
Learn all about dive cutting tools, including types of devices, which ones are useful for different diving conditions and the best place to stow them while diving.