These are some of our favorite animal-behavior images submitted in the 2016 photo contest. It's not too late to enter your photos in the 2017 contest!

Learn how to use Lightroom to create a version of your image that is suitable for social media, email and printing.

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

View some amazing over-under images submitted in the 2016 photo contest. It's not too late to enter your photos in the 2017 contest!

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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.

41 humpbacks have washed ashore from Maine to North Carolina since 2016; NOAA orders a probe into their deaths.

The UNESCO world heritage list comprises more than 1,000 spots — and these 13 are diveable.

Scuba is a man's game in South Korea — these women dive for their living.