Scuba Escape in North Wales challenge requires divers to complete a sequence of tasks during two 45- to 60-minute dives and a surface interval.

The Four Seasons Explorer is back and ready to set sail on July 1 for a year of epic oceanic adventuring.

Eba, the scat sniffing canine, can locate orca excrement in the water up to one mile away. Researchers analyze her finds to assess why the whale populations are decreasing.

Ocean-Shot, a first-of-its-kind conservation program in Antigua and Barbuda, has a three-prong program it hopes will speed up coral restoration.

Travel contractions in Cozumel, Boracay, and Sipadan offer a rare glimpse into its impact on small islands. Is Cuba's tight control of Gardens of the Queen a better model?

Here are the best places to snap colorful coralscapes, from Fiji to Cuba.

The Mangrove Maniacs of Bonaire, fishermen, volunteers and students are researching and preserving the Lac Bay lagoon, a nearly 250- acre nursery in the island’s southeast region.