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 ...

A Greenland shark gliding through frigid Arctic waters right now could have hatched from its egg case around the year 1625, ...

Joel Harrison Gayford, a marine biologist at James Cook University, in Australia, who specializes in research focused on chondrichthyan evolution and ecology, has published a paper in the journal ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An endangered species of shark has been observed having "virgin births" ...

Large, beautiful constellations of the sea. Famous because of their speckled apperance and docile nature, they remain one of the most mysterious marine animals, particularly when it comes to their ...

Moving at a speed of around two miles per hour, basking sharks can filter around 2,000 tons of seawater an hour. Unlike the two other filter-feeding sharks— whale sharks, the biggest fish on Earth, ...

The swell shark pup at Louisiana's Shreveport Aquarium Morgan Nix On January 3, the Shreveport Aquarium in Louisiana welcomed a swell shark pup into the world under mysterious circumstances: It was ...

Add Yahoo as a preferred source to see more of our stories on Google. Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small ...