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.

We’ve all lifted a rock or flowerpot and found a long, slimy worm underneath. But have you ever done so and found a long, slimy worm with a head shaped like a shovel or a hammer? If you have, you ...

The Amazon rainforest is often associated with jaguars, parrots, and towering trees. Yet the majority of animal life in this ...