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.

Take a look at some of the strange and wonderful creatures that inhabit the ocean, as seen through the eyes of some of underwater photographers.

Nothing is more fun than diving with a group of playful pinnipeds.

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Ever wondered what it’s like to dive with a walrus?

New recordings reveal that baby humpback whales are able to whisper to their mothers.

Tropical fish make lousy neighbors as they seek cooler waters and disrupt temperate ecosystems.

Richard Branson and Guy Harvey set out to witness a grouper spawning off Little Cayman. See what they saw in this 360 video.