Bull sharks possess one of the most extreme biological adaptations in the animal kingdom, allowing them to survive in both saltwater and freshwater environments that would kill most marine predators .

Learn how extreme longevity and deep-sea adaptations allow Greenland sharks to preserve vision for centuries. Greenland sharks are among the longest-lived vertebrates ever identified, with some ...

Scientists have recently turned their attention to the DNA of an ancient predator, the shark, in the fight against cancer. The remarkable biological resilience of sharks, honed over hundreds of ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The chain catshark may look like any other shark in ...