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, ...

Researchers tagging marine animals off Australia’s Orpheus Island were shocked when a tiger shark they caught spat up an echidna, a grub-eating monotreme recognizable for its spine-covered body. Known ...