When a shark egg appeared one day in a shark tank at a Louisiana aquarium, staff were puzzled. That’s because the tank only ...

The pup hatched in a tank housing two female sharks who hadn't been around any male sharks in over three years.

On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport, Louisiana. The egg was discovered by aquarium ...

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 ...

A Louisiana aquarium has a new star — and a mystery — on its hands after a baby shark ... word for shark — hatched on Jan. 3, about eight months after her egg was first discovered in a ...

Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two ...

First, the egg may have been a result of parthenogenesis ... Aquarium staff have also predicted that the baby shark was a result of delayed fertilization, where fertilization occurs long after ...

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 ...