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, ...

From the striking rainbow colors of parrots in the rainforest to the brilliant flashes of yellows, oranges and blues in coral reefs, vibrantly colorful wildlife abounds in tropical ecosystems. But ...

A recent study finds that color vision evolved in animals more than 100 million years before the emergence of colorful fruits and flowers. And there has been a dramatic explosion of color signals in ...

Nature comes in a variety of striking colors, but all that beauty didn't evolve for our enjoyment. Conspicuous colors tend to be signals, often helping animals woo mates or warn predators. Yet the ...

Genetic sharing among evolutionary neighbors all happens through hybrids: the offspring produced when individuals from two species mate. Famous hybrids include offspring between polar and grizzly ...

Scientists can learn a lot about extinct animals by studying their footprints, bones and even teeth. But, while insightful, these artifacts don’t always paint a complete picture of an ancient creature ...

Zebras, a children’s tale goes, became striped after “standing half in the shade and half out of it.” While the author, Rudyard Kipling, wasn’t a biologist, his story may hold some truth: research ...

Bold hues of red, orange, yellow, blue and purple help plants and animals communicate with their own species and others in their efforts to survive. Vivid orange dart frogs warn predators of their ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

New research shows fossil skin can reveal color patterns in young Diplodocus, changing old ideas about sauropod appearance.