New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs without any measurable rise in energy use. Subscribe to our newsletter for ...

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 ...

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 ...

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 ...