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, ...

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 ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

It may seem odd to think of aphids producing their offspring while already pregnant, but in actuality, it is not an unusual ...

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 ...

An Asian water dragon hatched from an egg at the Smithsonian National Zoo, and her keepers were shocked. Why? Her mother had never been with a male water dragon. Through genetic testing, zoo ...

Some aphids reproduce through a remarkable process where females are born already carrying developing embryos enabling rapid ...

Ronaldo, a 6-foot Brazilian rainbow boa constrictor kept at a school in England, was thought to be male — until the snake gave birth to 14 babies last month. The boa had not had contact with another ...

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. Subscribe to read this ...