Marine experts at the Shreveport Aquarium in Louisiana, USA, are astonished by the birth of a baby shark. The baby was born ...

The birth of a baby shark at Shreveport aquarium has flummoxed marine experts. The newborn hatched in a tank with no male presence and whose only inhabitants were female sharks. Though the aquarium's ...

When a shark egg appeared one day in a shark tank at a Louisiana aquarium, staff were puzzled. That’s because the tank only has two sharks in it — and they’re both female.

A small shark swimming around a Louisiana aquarium holds a mystery in its DNA. Yoko the swell shark hatched from an egg that was discovered in a puzzling place — an all-female tank, the Shreveport ...

A baby swell shark hatched at the Shreveport Aquarium despite no male sharks being present for three years, according to the aquarium.

The team of experts says that the two female sharks present in the aquarium have not been in contact with a male for more ...

A lion in the Maasai Mara nature reserve in Kenya went to rest in the shade of a tree - but the big cat was in for a surprise ...

Experts believe this could be a case of parthenogenesis, a rare form of asexual reproduction where a female can produce offspring without a male, or delayed fertilisation, where the fertilisation ...