Megalodons have been portrayed as gigantic great whites, but new research suggests they were more svelte and less agile ...

Despite not having bones, sharks can grow pretty large. There’s the aforementioned whale shark, roughly the size of a bowling ...

Threshers are not named for the thrashing motion of their tail, as many assume. Instead, their name comes from a farming ...

Whale sharks are the largest species of shark. Their gentle manner and massive size make them the gentle giants of the ocean.

Sharks are a remarkable, diverse group of ocean-dwellers that inhabit marine ecosystems all over the world. From the massive, ...

The evolution of the shark is not what most people would expect. Instead of sharks evolving from a massive predator, the ...

Fish with transparent heads? Crabs with 13-foot legs? These are some of the bizarre-looking sea creatures found lurking on ...

Sharks don’t have bones. Instead, their skeletons are made from mineralized cartilage that helps them constantly move through water. To understand the internal “sharkitecture” that helps keep these ...

Sharks have been evolving for more than 450 million years, developing skeletons not from bone, but from a tough, mineralized form of cartilage. These creatures are more than just fast swimmers ...

Using synchrotron X-ray nanotomography with detailed 3D imaging and in-situ mechanical testing, researchers are peering inside shark skeletons at the nanoscale, revealing a microscopic ...

An X-ray nanotomography reconstruction of the intermedial cartilage of a blacktip shark. The colors indicate the thickness of the struts, with red representing thicker areas and blue indicating ...