Darkness is essential for larval animals and spawning coral. In a world that is increasingly becoming flooded with artificial light, what are the consequences for Bonaire—and the planet?

New divers can learn a lot on a liveaboard trip from the staff, crew and veteran divers who will surround you for a week or more.

The dive life can be demanding, but it's the best job PADI instructors aboard Roatan Aggressor can imagine, giving divers memories and experiences they'll never forget and earning a place in their hearts. Caring for the ocean "isn't my job," one says. "It's my life."

Underwater photographers Marty Snyderman and Eric Riesch release new Wise Divers eBook series, 101 Tips for Underwater Photographer.

Asha de Vos is recognized around the globe for her work on Sri Lanka’s resident blue whales, a gifted researcher with natural star power, evidenced by her TED talks and numerous awards.

Divers aboard the Cat Pplau liveaboard become citizen scientists, helping the crew replant urchins to fight algal spread and repair the reefs of Exuma.

The sunny Caribbean island of Bonaire is a diver's paradise.

Egypt boasts amazing coral reefs and shipwrecks in the Red Sea, making it one of the best places to dive on the planet, and it offers amazing history along the Nile River.

Cave explorer Jill Heinerth discusses her new book about scuba diving and exploration, "Into the Planet."