The mysterious curly coated horses in South America evaded the famed naturalist. But now one couple is forming a herd of their own—and trying to save the species.

Darwin and the tree of life Charles Darwin used the concept of a tree of life in the context of the theory of evolution to illustrate that all species on Earth are related and evolved from a common ...

Charles Darwin and his theory of the origin of species ... the relationship between species and the success and loss of related species. Although today the concept of a tree of life, particularly ...

Males of the South American species incubate their young in their vocal sacs. The London Zoo recently established a breeding colony to save the frog from extinction.

The British naturalist was the first to offer evidence to explain the mechanism that makes evolution possible: natural selection. And so he became one of the most important thinkers and scientists ...

Charles Darwin's theory of evolution by natural selection made us rethink our place in the world. The idea that humans shared a common ancestor with apes was a challenge to the foundations of ...

English naturalist, geologist, and biologist Charles Darwin employed the term to show ... about the survival of the fittest and how it is related to natural selection. Natural selection describes ...

A tiny black bird was spotted on a Galápagos island for the first time in nearly 200 years — when Charles Darwin first discovered it. The Galápagos Rail, considered a near-endangered species ...

Darwin and the tree of life Charles Darwin used the concept of a tree of life in the context of the theory of evolution to illustrate that all species on Earth are related and evolved from a common ...