Recent expeditions to Easter Island's deep coral reefs have uncovered a wealth of fish that may be new to science.

The Bahamian island of San Salvador is home to 35 moored sites for scuba divers — and sharks to enjoy.

Mangroves are a biological oddity that links land and sea.

Jellyfish stings happen— find out how to avoid and treat jellyfish stings with these tips from Divers Alert Network.

Ever wonder why baleen whales became so colossal? Scientists have a theory.

The NOAA ship *Oscar Elton Sette* is on a 24-day research expedition to monitor, study and help the endangered species.

We just can't get enough of these nudibranch photos from the 2016 *Scuba Diving* magazine photo contest.