Scientists study bloody wounds left after mating to reveal details of sharks' secret sex lives
Animals
Sharks: Facts About Some of the Ocean's Top Predators
North America's oldest known dinosaur is a chicken-sized predator that changes our understanding of how dinosaurs conquered the Earth
Enormous 200-Million-Year-Old Dinosaur Skull Discovered in China
The world's smallest cat was a palm-sized cat that lived in China 300,000 years ago.
Fossils of giant horned dinosaur were destroyed during World War II, but photos show it was an unknown species
The 'Sexy' Pterosaur Tail Was Meant To Be A Flyer's Nightmare. How Did It Work?
Secrets of the first dinosaurs are hidden in the tropical forests of the Sahara and Amazon, researchers suggest
Hoffa's crab: a hairy-chested crustacean that grows bacteria on its hairs.
'Mesmerisingly beautiful' image of golden horseshoe crab wins wildlife photography competition
More than 10 billion snow crabs have starved to death off the coast of Alaska. But why?
Crabs continue to evolve, moving from the sea to land and back again.
