With hundreds of feet of visibility and views of 3,000-year-old trees, Clear Lake is a hotbed for scuba and free divers.

The snorkeling at this remote site, which can only be accessed by boat, is exceptional, and visitors will be spoiled for choice, with more than 250 species of fish in the water. Oddly, the U.S.

Florida is home to many gorgeous tropical islands, but one state park offers the best coral reef snorkeling experience you'll ...

Reefgen's Grasshopper robot is ready for deploying into Washington's Puget Sound where it's helping with an eelgrass ...

U.S. News Insider Tip ... Gear rental may be extra. Boat access is required to visit the dive site. For a comfortable ...

the boat crew that took Truwit and her friend Sophie Pilkinton out snorkeling actually found her foot, intact and still in ...

Why save snorkeling for a cruise ship excursion or a resort stay when there are world-renowned snorkeling destinations just ...

The expanding niche of astrotourism gets a boost from DarkSky International, a nonprofit based in Tucson, Ariz., that has ...

An aggressive species of invasive seagrass that has been traversing for more than a century has been detected in the U.S. for ...

Researchers are studying the role of eelgrass beds for carbon capture and the health of the habitat for a variety of species.

From playing on pink-sand beaches to snorkeling with sea turtles, the coral island has something for everyone.

As the sun rose Aug. 24, Capt. Tim Hoban's boat exploded. Much of his body was burned. He faces challenges to heal and ...