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, ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

Nature’s natural colors can be breathtaking. Tropical birds are famous for their brightly colored feathers, and many fish species are dazzling. There are gorgeous insects that look like they’re ...

The Monomet Conservation Sciences has released its 2025 State of the Birds report. The report reveals accelerating declines in bird populations across the continent of North America. These declines ...

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 ...

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 ...

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 ...