Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...

A boa constrictor in the U.K. gave birth to 14 babies — without a mate. Is it a miracle? The result of a secret rendezvous? Probably not. Females of species have the ability to reproduce asexually, ...

CHICAGO (WLS) -- At six and a half feet long zebra sharks are one of the largest species at Chicago's Shedd Aquarium. The endangered animals, which are native to Indonesia, have been a fixture at the ...

Add Yahoo as a preferred source to see more of our stories on Google. The surprise pregnancy of Charlotte, a stingray living in a tank without any male rays, has captivated people across the world and ...

Flora the Komodo dragon walks around her enclosure Dec. 18, 2006, at Chester Zoo in Chester, England. Flora’s virginal conception, and that of another Komodo dragon earlier in the year at the London ...

In 1995, a boy made medical history when scientists learned he was partly the product of parthenogenesis — a process that occurs when an offspring results from an unfertilized egg. More than two ...

The 10-foot, 30-pound snake is kept in an all-female exhibit, so when aquarium staff found Anna in the process of delivering her litter in January, they suspected it was parthenogenesis -- which means ...

A smooth-hound shark was recently born into an all-female tank in an Italian aquarium. The birth, said scientists, could be the first recorded asexual birth for the species. For 10 years, the mother ...

Mouse embryos created through a “virgin birth” process called parthenogenesis show that egg cells can be a source of valued embryonic stem cells, researchers said on Thursday. The cells can be closely ...