These four critical marine habitats—sea grass, sand, sargassum, mangroves—nurture ocean life as we know it.

The Whale Heritage Site title signifies it as an area has cultural ties and educational, sustainable interactions with both whales and dolphins.

More than 4,000 cold stunned sea turtles have been pulled from the Texas waters, and power outages are limiting the ability to aid the injured.

Eight ways to restore the coral reefs in the Florida Keys from coral restoration dives to cleanup dives and fish surveys.

Some shark populations have decreased by 70 percent. The oceanic whitetip shark experienced the greatest decline, losing 98 percent of their population in just 60 years.

Two divers freed a shark snared by a fishing hook to the seafloor off the coast of Australia.

With careful planning and a bit of luck, some divers get the chance to see hundreds or even thousands of rare animals underwater at once.

Divers witness a life and death melee in the waters of Monterey during the annual squid mating aggregation.

This professional cave diver treks through the remote Canadian Territory of Nunavut to scuba dive with the greatest predator in the Arctic.