Lovely day under the sea until we spotted a fossilized tooth big enough to ruin our week. Turns out, it belonged to a ...

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

A study published in Science Advances and led by the Max Planck Institute of Geoanthropology, uncovers how flexibility made ...

Few creatures spark the imagination quite like the megalodon. This prehistoric shark, estimated to have reached lengths of up ...