A new technology allows scientists to learn more about enormous underwater avalanches.

Sometimes you need a break from the tank. Here we present the 2017 readers choice awards for best snorkeling destinations.

Presenting the 2017 Readers Choice Awards for the best destination to go scuba diving with big animals in North America.

Presenting the 2017 Readers Choice Awards for the Best Scuba Diving Destinations For Beginners.

Presenting the 2017 readers choice awards for feediving in the world.

Presenting the 2017 readers choice awards for best shore diving in the world.

Presenting the 2017 readers choice awards for best macro scuba diving in North America.

Presenting the 2017 Readers Choice Awards for the best advanced scuba diving in North America.

Presenting the 2017 readers choice awards for best overall scuba diving in North America.