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

The Amazon molly is an evolutionary enigma: an all-female fish that reproduces by cloning itself. Because it doesn’t mix its DNA with a mate’s, Darwinian logic holds that harmful mutations should pile ...

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 ...

Check out this guide to learn about how to get the Toxic-Proof Raft in Fisch, and get to the Living Garden to fish for new items.

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

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

Spring is the best time of year to land a giant bass. Here’s what you need to know to catch your personal best.