When two organisms typically do not interbreed with one another, they are considered different species. But what are the reproductive barriers that isolate one population from another? Hear the ...

Slate takes a break from endless political analysis to tackle a biological question: Can humans have sex with other animals and produce offspring? The answer: "Probably not." Um, "probably"? Oh dear.

A new study of interbreeding between two species of howler monkeys in Mexico is yielding insights into the forces that drive the evolution of new species. A new University of Michigan study of ...

Speciation is a central and fundamental process in evolution that concerns the origin of reproductive isolation. The latest generation of genomic approaches provide remarkable opportunities to ...

"A new species develops if a population which has become geographically isolated from its parental species acquires during this period of isolation characters which promote or guarantee reproductive ...

This is a preview. Log in through your library . Abstract This research concerned the relative potential for signaling and priming incompatibilities to promote reproductive isolation in rodents.

Aradus cinnamomeus Panzer, the pine bark bug, is a pest of young Scots pines which exhibits a two-year pattern of periodicity in most parts of Europe. The alternate-year populations live almost ...