Scientists have uncovered the secret of the Amazon molly, an all-female fish species that has survived for 100,000 years through cloning, defying long-held evolutionary theories.

In the mystical world of evolution, the extinction of male species has always been seen as an end of evolution, but this rare fish species has survived as a living miracle for 100,000 years without ...

University of Missouri researchers have shown how an all-female fish species called the Amazon molly defies the long-held belief that asexual reproduction is an evolutionary dead end. The key is gene ...