As promised as an end to shark week, I am writing an article on the amazing biology of sharks. First, as most of you may know, sharks are cartilaginous fish and have been on Earth for over 450 million ...

One guide with the tour company said she had 'never seen a great white shark before in the wild' in her 30 years on the job Freeport Whale & Seabird Tours/Facebook A whale watching tour in Nova Scotia ...

Ross Edgley tried to out-eat a tiger shark by fasting, then eating over 40,000 calories in one day. "Shark vs. Ross Edgley" is part of National Geographic's Sharkfest. Despite eating an enormous ...

While many sharks hunt for small, abundant prey when looking for a meal, great hammerheads have a supersized strategy with some big payoffs - eat other sharks. For a long time, scientists have ...

Killer whales have been caught on camera hunting down and eating great white sharks alive. A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them - ...