Small organisms such as plankton get stuck in their gill rakers and the shark then consumes the food. Filter-feeding sharks include whale sharks, megamouth sharks and basking sharks. These species ...

A small but fascinating collection of Megalodon teeth exhibit deep bite marks from other Megalodons, raising questions about ...

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all paleontologists ...

A 6.2-metre-long whale shark swimming at around one metre per second would be able to filter about 614,000 litres of sea water per hour. Despite not needing razor-sharp teeth for cutting and tearing ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

For years, the megalodon has been imagined as a monstrous version of the great white shark. Depictions in movies and ...

New research reignites debate over the size of this extinct giant, also suggesting it looked unlike a great white ...

Everyone's favorite prehistoric shark may have been much sleeker and much larger than previously thought. A new study ...

The lower canines of hippos can be more than a foot long, and probably seem even longer when staring into the gaping mouth of these territorial giants. The biggest teeth in the whale world are found ...

Sharks have teeth that are kind of on a conveyor belt ... What's the biggest shark alive today? That's the whale shark. They get to be absolutely enormous. The biggest are as much as 18 metres ...