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, ...

Some of the world’s most spectacularly colorful animals are amphibians — especially frogs and salamanders. Many of these colorful animals are toxic or have developed some sort of chemical defense, and ...

Species are fizzling out of existence at a rate faster than any other time in human history—and no one is more aware of that fact than National Geographic photographer Joel Sartore. After 13 years of ...

Scientists found a colorful animal with a “large” mouth in a river of Myanmar and discovered a new species, a study said. Photo shows a representative area of Mogaung. Screengrab from YouTube video ...

The big, shiny, colorful animal sculptures that have popped up around downtown D.C. reminded me of something. But what? Then it hit me: They look like those funky little charms people used to hang ...