Teaser: A re-examination of the fossil record has produced a new theory of the super-fish's demise.
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Humans are hunting and eating 60 percent of Earth's largest animals into an early grave.
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In 2018, there were 66 documented unprovoked shark bites, down from 88 in 2017.
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A rogue tooth hints at a primeval encounter of sea and sky.
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The little sharks swim around inside their mom, switching between her multiple uteruses. When they get hungry they eat her unfertilized eggs.
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Warming oceans lead to some strange brain changes in sharks.
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The basking shark — known for its languid, filter-feeding lifestyle — has an Olympic-worthy secret: It can hurl its body out of the water just as fast and as high as its predatory cousin, the great white shark, a new study finds.
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In the new movie, one, solitary Megalodon is still lurking in the depths of the Pacific Ocean. Is that possible?
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"Miss Helen" is doing swimmingly after a harrowing brush with kidnappers.
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Here's how a group of dedicated researchers helped save Mexico's sharks.
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