Megalodons may have grown to the size of school buses by eating their shark siblings in the womb, new research suggests

Megalodons were the biggest sharks on the planet. Recent studies show how these apex predators reached lengths of 50 feet with heads the size of cars.
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6-foot megalodon shark babies were cannibals in the womb, study says

These extinct sharks gave birth to some really large babies -- about the size of a full-grown human adult. At birth, megalodons were about 6.6 feet, or 2 meters, in length, according to a study ...
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There's a shark alive today that was born before the United States existed

In the waters of the Arctic and North Atlantic, a remarkable creature glides silently through the darkness. The Greenland ...
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Eating your siblings in the womb

Some species of sharks are so ferocious that they’ll eat each other in the womb! But what sounds vicious is actually a survival trait shared by other species. Hosted by: Hank Green Huge thanks go to ...