Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would ...

The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

A rare Japanese ant is the only species known to lack female workers and males; all of its young develop into parasitic queens that try to take over other colonies.

Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

(Santa Barbara, Calif.) Why are most organisms sexual? The question of why most species reproduce sexually and others reproduce asexually has stymied biologists for years (particularly since asexual ...

The California condor is one of the rarest birds in the world, but now it seems that nature is giving it an unexpected leg-up. Scientists have discovered two condor chicks that were born from ...

Conservation scientists for the San Diego Zoo Wildlife Alliance made the surprising discovery while genotyping genetic material from two deceased California condors Kelli Bender is the Pets Editor at ...

In the course of evolution, animals have repeatedly shifted from sexual to asexual reproduction. The first evidence of the consequences of parthenogenesis – a type of asexual reproduction – on genome ...

Marmorkrebs, or marbled crayfish, have an extraordinary ability. Not only can they reproduce excessively in the wild, but a new study from the German Cancer Research Center (DKFZ) has revealed that ...