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

Staff at Louisiana's Shreveport Aquarium have been left stumped by the 'virgin birth' of a shark pup. Yoko, a swell shark pup ...

Credit: Shreveport Aquarium/Cover Images Aquarium staff in Louisiana are stunned by an extraordinary 'virgin birth' in their ...

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

On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport, Louisiana. The egg was discovered by aquarium staff in a female shark tank about eight months ago, but it may have remained ...

Faced with a rash of shark deaths marked by brain swelling, Canadian and American scientists are trying to solve a marine ...

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

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

A Louisiana aquarium has been left stunned by a 'virgin birth' in its shark exhibit. Baby swell shark Yokowas born in an ...

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 ...

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

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