Thinking about scuba diving in caves? These five courses — from entry-level to advanced — will prepare you for the thrilling experience of cave exploration.

It’s an experience that tops many a bucket list: the chance to swim with manta rays. Join a Manta Trust expedition on the Four Seasons *Explorer* luxury liveaboard in the Maldives.

Underwater photographer Kristian Laine has captured photos of an extremely rare, pink manta ray in Australia.

Guests visiting the Great Barrier Reef can now sleep with the fishes — literally.

A marine biologist discusses everything you can learn from the recent release of the annual, International Shark Attack File report and how to spot misleading information.