Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Costa Rican ...

Instructor and Flathead Scuba owner Glen McKinnon works with Christina Ryan,director of the Kalispell Vet Center on Aug. 24 at Flathead Scuba in Kalispell. (Mackenzie Reiss/Daily Inter Lake) Veterans ...

Yves Lefevre, cinematographer, and Matt Ferraro, lighting technician, dive with closed-circuit rebreathers, allowing them to swim backwards to film divers swimming over the Giant Table Coral without ...

Sometimes, the bad guys come by sea. A U.S. researcher has come up with a new, non-lethal way to deter malicious undersea divers: an acoustic technique that would overwhelm them with the sound of ...

FORT DRUM, N.Y. -- Scuba diving was once used as a method to sink battleships during war, but has evolved into a less destructive activity: providing a peaceful underwater escape for many, including ...

A Costa Rican lizard species may have evolved scuba-diving qualities allowing it to stay underwater for 16 minutes, according to researchers. A Costa-Rican lizard species may have evolved scuba-diving ...

Scorkl is a compact, lightweight breathing device for quick shallow dives. It can be topped up using a hand pump, and lets the user swim underwater for up to 10 minutes at a time. Having reached its ...

In a Costa Rican rainforest, a small, semiaquatic lizard called a diving anole leaps into a stream. Minutes pass, but the anole doesn’t surface for air, as these lizards typically do. Instead, the ...