These gorgeous, long-tailed marine creatures—formerly known as Siamese fighting fish—have been famous for centuries for their aggressive nature, which breeders have exploited in order to fight them, ...

Add Yahoo as a preferred source to see more of our stories on Google. strawberry poison dart frog on a leaf Nature comes in a variety of striking colors, but all that beauty didn't evolve for our ...

In the wild, beauty isn’t about vanity—it’s a weapon. This video counts down the 10 most beautiful animals in the world, revealing the deadly purpose and survival secrets behind their stunning looks.

Each week, The New York Times Sunday Magazine includes a Dear Abby-style advice column called “The Ethicist” where people can run their moral quandaries by a philosopher-in-residence. Judy Barrett of ...