Laurent Ballesta is a renowned French underwater photographer, biologist and deep diver, and explorer, celebrated for his ...

Nighttime underwater photos show fish hanging out with jellyfish and anemones — perhaps seeking their protection.

This collection of photos from Seth Casteel features hilarious dogs underwater. We don't usually toss the word "cute" around too often, but sh*t, take a look at Casteel's series, Little Friends ...

In Hollywood Beach, you can take a selfie with a mermaid, help restore coral reefs, and snorkel an underwater museum—all in a single swim. Hollywood Beach, Florida, has opened a new artificial reef ...

On July 2, 2012, the USS Mohawk was towed from Fort Myers some 30 miles off of Sanibel Island before being scuttled.

On the Caribbean seafloor, an unusual sculpture gallery is taking shape with an equally unusual purpose: to provide homes for corals under threat from tourism and climate change.

It’s an age-old question of elementary school students. Unfortunately, there’s probably no definitive answer — at least according to State Paleontologist John Hoganson, who spent Thursday assembling ...

The founders of the trail hope that it will help regenerate marine ecosystems and make travelers into stewards of the ocean. Florida’s newest must-see attraction is, quite fittingly, under the sea.