On Australia's Ningaloo Reef, researchers and Australia’s richest man are using environmental DNA to unlock the mysteries of the world's biggest fish.

Ocean warming puts fish are at risk of becoming smaller due to the lower oxygen content of warm water, reports a new study.

Sea lions use their whiskers in “task-specific” ways, adjusting the specific way they’re moved depending on what they intend to discover about a particular object.

The 2022 Through Your Lens Photo Contest official rules and prize info.

A Georgia-based scuba diver and YouTuber recently solved a 20-year cold case using just his dive gear, sonar and underwater exploration equipment.

The pioneering scientists sat down with Scuba Diving magazine to share lessons from their lives in the field.

During the study that led to this revelation, researchers looked at shark remains found in the scat of the leopard seals as well as visible signs of struggle on the seals’ bodies.

The Gallipoli Historical Underwater Park, which opened in October, allows recreational divers to explore the battle site for the first time.

Portugal has created the largest marine protected area in Europe, a 1,034 square mile reserve around the Selvagens Islands, an Atlantic volcanic archipelago.