When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males ...

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 ...

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

The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.

Trump says he doesn't know if he backs constitutional due process rights in new interview President Donald Trump is circumspect about his duties to uphold due process rights laid out in the ...

You will be redirected to our submission process. DRAFT Reproductive success depends on precisely coordinated molecular and cellular signaling across sperm function, oocyte maturation, fertilization, ...