Thelytokous parthenogenesis, that is, the production of diploid daughters from unfertilized eggs, may involve various cytological mechanisms, each having a different impact on the genetic structure of ...

Getting the job done. A female Asian water dragon (Physignathus cocincinus) produced a daughter (left) without the assistance of a male. Skip Brown/Smithsonian’s National Zoo An Asian water dragon ...

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," ...

In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

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 ...

For 16 years, a female crocodile lived alone in a wildlife park in Costa Rica — until one day, more than a dozen eggs mysteriously appeared in her enclosure. 'Virgin births' have been widely ...

In a surprising development in marine biology, recurrent parthenogenesis has been documented for the first time in the shark Mustelus mustelus, also known as the common smooth-hound. This discovery, ...

A shark pup has been born through parthenogenesis at Brookfield Zoo near Chicago. The baby epaulette shark hatched during the summer, and its mother has never shared a tank with a male.

Parthenogenesis among reptiles is rare. Only a few species have the ability to reproduce asexually. Most of these are obligate parthenogenetic species that consist (almost) entirely of females, which ...

What if the song "Baby Shark" stopped after just two stanzas? For non-fans of the catchy tune, that might sound like a dream. For a real-life Mommy Shark in Illinois, it's reality: She produced a baby ...

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 ...

Mercedes Burns has previously received funding from the National Science Foundation. An Asian water dragon hatched from an egg at the Smithsonian National Zoo, and her keepers were shocked. Why? Her ...