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

For decades, ecologists have known that how a species looks or eats affects its environment. But a new study by researchers at the University of California, Santa Cruz, shows that social behavior ...

Submerged bees breathe and use strategies that don’t require oxygen, lab tests show. In nature, that trick could help the ...

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 ...

King penguins are adapting to climate change in a way that seems to help them breed successfully, which is unusual.