No one knows where whale sharks give birth. But a rare encounter with a baby whale shark could help solve one of the oceans' biggest mysteries.

Basking sharks are one of the world's largest and most elusive fish species. But off the Irish coast, these gentle giants swim so close to the shore you can nearly touch them. Some Greenland sharks ...

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Tourists in Japan look at a whale shark through the world’s largest acrylic panoramic window at the Okinawa Churaumi Aquarium in 2003. Getty Fans of the 2004 animated hit “Shark Tale” may be familiar ...