Diving

Explorer Kristin Hettermann has dived all over the world - but she still hasn't completed her underwater bucket list. Comprised of reefs, atolls and miraculous sights, here is her wish list.

How long can you hold your breath underwater? These people can hold theirs for up to 13 minutes.

An Oxford University scientist discovered companies are still using discredited techniques to find water.

Olympics officials reveal hydrogen peroxide caused the diving pool to turn green.

Michael Phelps claimed golds number 20 and 21 in the pool and the U.S. dominated in gymnastics.

Chinese pair in their first Olympics together stand atop the medal platform, with the U.S. earning silver and Great Britain bronze.

A Paris aquarium and Airbnb are running a contest for people to spend the night in a shark tank.

The best way to see the oceans? Scuba diving, although snorkeling is a close second.