New scientific evidence suggests that fish like to play in the same way that puppies, humans and other species do. Further studies are needed to confirm the hypothesis.

Founder of Sanriku Volunteer Divers, Hiroshi Sato is committed to cleaning natural-disaster debris, leading seaweed restoration efforts and training the next generation of mission-driven divers.

Observations and photos donated by visiting scuba divers helped researchers estimate the record population around Isla de la Plata.

Shark diving drives conservation in Fiji’s Shark Reef Marine Reserve, where locals show tourists and neighbors alike what to love about this apex predator.

Here’s everything you should know about sea turtles, including how long they live, how fast they can swim and where they lay their eggs.

The international trade of nearly 100 shark and ray species—including those most commonly used in shark fin soup—can now be regulated after a landmark global vote in Panama.

Marine biologist Dr. David Shiffman provides the ocean facts you want to know in this marine Q&A!