In the first experiment of its kind conducted in nature, evolutionary biologists have come up with strong evidence for one of Charles Darwin's cornerstone ideas -- adaptation to the environment ...

Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of "On the Origin of Species" debate continues on the mechanisms of speciation. New ...

How do new species form? Like most areas of Evolutionary Biology, research related to the formation of new species - 'speciation ' - is rich in historical and current debate. Here, we review both ...

Natural selection commonly drives the origin of species, as Darwin initially claimed. Mechanisms of speciation by selection fall into two broad categories: ecological and mutation-order. Under ...

Erangi Heenkenda, co-lead author of the PNAS paper who received her PhD in forestry and natural resources from Purdue this month, prepares to take a sample from a frozen pupfish that will be used for ...

Most of us know that as living things evolve, they take on traits that help them thrive in their home environments. But how are certain traits "chosen" for future generations, and how are others cast ...

The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. Certain aspects of evolution -- such as the creation of new species -- can be predicted and ...

Corrales, a recent biological sciences Ph.D. graduate from the University of Rhode Island, and his advisor, Associate ...

WEST LAFAYETTE, Ind. — Scientists have identified a new member on the genetic family tree of an endangered pupfish native to south-central New Mexico. “We went into this thinking that there was one ...

Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the ...