Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives. For around 455 ...

Recent genetic studies suggest high population connectivity among tiger sharks across the vast expanse of the Pacific Ocean, indicating impressive migratory capabilities. The Easter Island Ecoregion, ...

The tiger shark (left) that spat up an echidna (dark blob, center). Photo: Nic Lubitz Researchers tagging marine animals off Australia’s Orpheus Island were shocked when a tiger shark they caught spat ...

Hanna's a big, female shark, measuring 11 feet, 11 inches. When she was tagged on April 13, she weighed an estimated 722 pounds. And she's pregnant, according to OCEARCH, an organization that leads in ...

An unusual sight greeted Nantucket beachgoers this week when a dead tiger shark was seen in the shallow water. This tiger shark sighting was a “really unique” circumstance, according to The Boston ...