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 ...

The aquarium also announced the start of a new partnership to help rebuild the population of zebra sharks in Indonesia on Monday, Nov. 10.

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, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A group of Australian scientists studying marine life off the coast ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Echidnas, dome ...

Scientists say that the water in Boston harbor is getting cleaner, leading to an increase in the number of sand tiger sharks using the area as a nursery habitat. There have been lots of sightings of ...