Learn how extreme longevity and deep-sea adaptations allow Greenland sharks to preserve vision for centuries.

Krawczyk, an associate professor at UC Irvine. “The shark is tracking the light — it’s fascinating.” The Greenland shark is ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...

In a UC Irvine office, Dorota Skowronska-Krawczyk studies a video that has changed her view of a deep-sea legend. “You see it ...

An ancient shark older than forests still glides through deep oceans today. Its strange teeth, slow life cycle, and ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Humans, under optimal conditions, can live to an age of 100 ...

Deep sea holds alien-like species. The frilled shark, a living fossil, remains a mystery. Its unique anatomy includes six frilled gill slits and a trident-like mouth. This predator hunts with stealth, ...

Scientists say they have decoded the genome of Earth's largest predatory fish, detecting numerous genetic traits that help explain its remarkable evolutionary success.