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

Two female right whales traveled across the U.S. Gulf coast during the winter which is rare for the endangered whales, ...

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