Marine debris and plastic pollution are huge challenges for our coastlines and ocean. We’re spotlighting some ways to help – whether you’re a diver or not.

Scuba divers love to share their favorite tips and tails from dive trips. This column highlights some of those. Ace underwater photographer Stephen Frink has an amusing story about what it takes to get “the shot” of a great white shark.

Tales of mermaids and men have enthralled us for centuries. But what actually inspired the sailors and storytellers of old to imagine these water spirits? Let’s get to know manatees – the likely muse of these myths and legends.

Scuba divers love to share their favorite tips and tails from dive trips. This column highlights some of those. Szilvia Gogh has led a life full of creativity, inspiration, travel and survival. The dive she’ll never forget was going below the surface in the freezing waters of Antarctica.

Scuba divers love to share their favorite tips and tales from dive trips. This column highlights some of those. As a leading photographer and cinematographer in the Red Sea, Morgan Bennett-Smith has witnessed magnificent beauty in the waters of the Middle East. The dive he'll never forget is experiencing bioluminescence on scuba for the first time.

In honor of Earth Day, here's a roundup of marine animals that help us fight climate change and help the entire planet.

These April Fools’ Day marine pranksters mimic, hide and otherwise disguise themselves on April 1 and every day of the year.

A 40-year-old Czech freediver has broken the world record for diving beneath ice to a depth of more than 164 feet without a wetsuit.

Good news for ocean biodiversity and those whose lives (and hobbies!) depend on the health of the sea – United Nations members have agreed on an unprecedented treaty to protect nearly two-thirds of the open ocean.