La Jolla institution from July 5 through Aug. 10, making time to chat with shark pros, observe a shark feeding, and take a ...

National Geographic's "Sharkfest" is back for a new season of jaw-dropping fun. From "Sharks Up Close with Bertie Gregory," to "Jaws @ 50: The Definitive Inside Story," there's no shortage of wild ...

On July 5, "Sharks Up Close with Bertie Gregory" kicks of Sharkfest 2025 on National Geographic. PEOPLE has an exclusive clip of the new special, which features Gregory trying to swim cage-free with a ...

The mysterious depths of our oceans harbor some of nature’s most fascinating phenomena – bioluminescent sea creatures that ...

"They use light to disappear," he said, explaining how bioluminescence can render the sharks invisible against the faint glow from the ocean's surface. This protects the sharks from predators ...

It gets weirder, Rummer said: “They’re bioluminescent too — they glow.” Cookiecutter sharks (Isistius brasiliensis) grow as large as 20 inches long. Because they’re small and live in ...

Swell sharks don’t generate their own light, but they glow through a technique called biofluorescence. This means they absorb sunlight and transform it within their bodies, emitting it as a ...

NEW ZEALAND -- Scientists have taken the first ever photos of a glow-in-the-dark shark producing its own light. The kitefin shark, Dalatias licha, is the world's largest known bioluminescent ...

To those of us who are used to our sharks having skin that doesn’t glow, this might come as a shock. But Gruber's observation, though relatively new for us, is how it’s always been for these ...

Case in point: Scientists recently confirmed that three shark species found in New Zealand glow in the dark. Marine biologist Jérôme Mallefet and his team from the Université Catholique de ...