Swell sharks glow in the dark, but these animals have another impressive trick that's how they got their name.

In an unusual turn of events, a baby swell shark named Yoko was born at the Shreveport Aquarium in Louisiana. The shark was ...

Scientists are still uncovering new shark species. In fact, the glow-in-the-dark kitefin shark — the largest glowing vertebrate — was just discovered in 2021. Sharks grow and mature slowly.

Gruber and his colleague Jason Crawford at Yale University noticed that the sharks' skin had two tones, light and dark, and after extracting chemicals discovered a fluorescent molecule only ...