Fur seals may look like they’re simply resting after exhausting hunting trips at sea, but their bodies are secretly working ...

For the first time, scientists have recorded brain activity in a free-ranging, wild marine mammal, revealing the sleep habits of elephant seals during the months they spend at sea. The new findings, ...

Unexpected recovery pattern: Scientists found fur seals' heart rates peak six to eight hours after coming ashore, indicating delayed physiological recovery from deep dives. Long-term tracking: ...

Chris McKnight has spent much of his career studying the physiology of seals. But in 2019, the ecologist decided to test a new instrument for gathering data underwater on another kind of swimming ...

On a new free-diving tour in South Africa, one traveler comes face-to-face with seals, shipwrecks, and the limits of her own endurance. The waters off the coast of Cape Town were crystal clear and a ...

Add Yahoo as a preferred source to see more of our stories on Google. Marine mammals can hold their breath for extended periods underwater; the question is, how do they know when it's time to ...

Anytime Rusty Hunter dips into the ocean off Laguna Beach for a free dive, he’s hopeful his new playful friend will show up to frolic around in the underwater world. It’s not unusual for marine ...

Veld & Sea founder Roushanna Gray free diving off the Cape Peninsula. The waters off the coast of Cape Town were crystal clear and a face-numbing 52 degrees. Bracing myself, I took a deep breath and ...