The first annual “Big Blue” international freediving competition is set for November 1-9, 2015.

For his work documenting fish for the Census of Marine Life and his dedication to conservation, Rick Morris is our September/October 2015 Sea Hero.

For his work with Ocean Defenders Alliance protecting California's oceans, Kurt Lieber is Scuba Diving magazine's November/December 2015 Sea Hero.

Aboard Blackbeard Cruises: Cave Rock

Looking for a great children's book? Eric Douglas — author of Lessons for Life — just released his latest story for kids: "Sea Turtle Rescue and Other Stories!"

Stuart Cove, Liz Parkinson and David Benz look for new dive sites and dive a brand-new wreck. See what they discovered during this unique Bahamas dive trip.

Hammerheads have been spotted off the coast of Florida — but it's not what you think.

Aboard Blackbeard's Cruises: Madison Avenue

Researchers from CSIRO and Imperial College London have assessed how widespread the threat of plastic is for the world's seabirds and found the majority of species have plastic in their gut.