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

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

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 ...

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