A female swell shark gives birth to a pup without coming in contact with a male, and now scientists are wondering how this is ...

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 ...

In an unusual turn of events, a baby swell shark named Yoko was born at the Shreveport Aquarium in Louisiana. The shark was ...

Aquarium staff have also predicted that the baby shark was a result of delayed fertilization, where fertilization occurs long ...

The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite ...

Officials at a Louisiana aquarium are investigating the mystery of a swell shark baby that hatched despite its mother having ...

Nature is capable of some pretty incredible phenomena and even a few mysteries. That's become all the more apparent recently ...

Experts say the case is either a rare form of asexual reproduction or an instance of (very) delayed fertilization ...

"It really proves that life... uh... finds a way," said Shreveport Aquarium, Louisina's curator of live animals, Greg Barrick.

A small shark swimming around a Louisiana aquarium holds a mystery in its DNA. Yoko the swell shark hatched from an egg that ...