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 new study reveals that behavioral isolation between populations of Bahamas mosquitofish is driven primarily by the actions of females—not just through mating choice behaviors, but also through ...

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.

A study reveals how the asexual Amazon molly defies evolutionary expectations — plus, evidence of what might be powering superluminous supernovae.

Strolling a familiar beach and stumbling upon a relic from the age of dinosaurs sounds like pure fantasy, yet that is exactly what happened on England’s west coast. A stretch of shoreline below ...