No species is immune from the suffering of unrequited love, but scientists expect to learn volumes about the biological basis of sex from the newly sequenced genome of an all-female, asexual Texas ...

No species is immune from the suffering of unrequited love, but scientists expect to learn volumes about the biological basis of sex from the newly sequenced genome of an all-female, asexual Texas ...

For the tiny, dull male Mexican molly fish, desperate times call for desperate measures. Its female counterpart is promiscuous and selective. She prefers giant, colorful males, causing smaller ones to ...

The Amazon molly is thought to be a hybrid of two different species Evolutionary theory suggests that species favouring asexual reproduction will rapidly become extinct, as their genomes accumulate ...

A tiny fish, just an inch long and weighing less than a gram, has made a full recovery after radical surgery to remove a growth from its stomach. So small is the poecilia sphenops, known as Molly, ...

Soccer fans aren’t the only ones on Earth who make waves. By Veronique Greenwood In the sulfur-infused ponds of Tabasco State in Mexico lives a tiny silver slip of a fish, the sulphur molly. Toss in a ...

Evolutionary theory suggests that species favouring asexual reproduction will rapidly become extinct, as their genomes accumulate deadly mutations over time. But a study on an Amazon fish has cast ...