Scuba Diving and Life Expectancy

A lot of research has been done on life expectancy, but does recreational diving make an impact? We asked the experts some burning questions.

A group of divers dawdle on a dock at sunset. A boat is in the background.

Lionfish Stings

Lionfish are fascinating and beautiful creatures, but they can cause serious injuries as well as environmental problems outside their normal range.

A melancholy lionfish swims about looking for someone to sting.

Painful Swelling on a Pacific Island

After acquiring a severe infection on a remote Pacific island, one diver had to be medically evacuated to Queensland, Australia.

In a stock image, a female snorkeler is surrounded by blue waters

A Day in the Life of an Arctic Cave Diver

Cave diving is hard but doing so in the arctic may be even harder. Read a journal-style entry of what it’s like being a cave diver — physical demands, freezing temperatures, animal encounters, but at least there is hot chocolate.

A diver hovers amid the white limestone walls of Dolinsjö Cave in northern Sweden.

Cozumel Revisited

Cozumel is a year-round diving destination boasting colorful reefs and doesn’t involve many extensive travel logistics. One diver shares his opinion about why he loves going back to Cozumel.

A female diver swims next to a sea turtle.


Tubbataha is located in the Sulu Sea in the middle of Indonesia, Malaysia and the Philippines. There are nearly 500 species of fish, 373 species of coral and more marine critters.

An octopus finds debris on the sandy bottom to build a protective dwelling.

Ocean Views 2018: A Sweet Spot in Time

As part of the 2018 Nature’s Best Photography Windland Smith Rice International Awards annual competition, the Ocean Views category honors those photographers whose skill and creative vision have captured a frozen moment in time that can bring attention to both the bounty and fragility of the marine ecosystems found in and near our underwater world.

An extreme close-up view of the eye of a gray whale

Testing the Waters

Costantino Balestra, Ph.D., has spent his life coming up with groundbreaking hypotheses in research labs and applying them to the real world. Read more about the researcher, his motivation and projects.

Two divers swim below and there are a lot of bubbles around them.

Anatomy of a Commercial Mixed-Gas Dive

The commercial diving industry adopted mixed-gas technology in the 1960s to overcome the limitations of deep air diving. The industry has an exemplary safety record.

A dry welding chamber is lowered to a repair site for installation.