Cartilage doesn't preserve as well as bones, so the most older shark fossil records are based on isolated scales and teeth. In fact, shark teeth are among the most commonly found fossils around the ...

“Baby shark” has taken on a whole new meaning. Newborn megalodon sharks were supersized fish larger than most adult humans, a new study suggests. An analysis of the growth rates of the ancient ocean ...

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New research into the developmental biology of the gigantic prehistoric shark, known as the megalodon, gave birth to 2-meter-long pups that likely ate fellow embryos in the womb. A recent research ...