The “surprise” birth of a gray nurse shark in Australia is good news for the endangered predator species. Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen ...

WASHINGTON — Some species of shark return to the same breeding grounds for decades at a time, and live longer than previously thought, scientists studying the animals off Florida say. Scientists with ...

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

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 ...

A Louisiana aquarium welcomed a new baby shark to its facilities earlier this month, but staff are unsure of exactly where it came from. On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in ...

In a bid to save a species globally, a world-first method of extracting semen from male leopard sharks in the wild has been pioneered by researchers off the South East Queensland coast. "Never thought ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Some species of shark return to the same ...

The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite the fact that no male sharks appear to have been involved. Shark pup Yoko ...