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 ...

This project is an extension of long-term research led by Dr. Leonardo Campagna that aims to understand the evolutionary mechanisms that underlie the capuchino seedeater radiation in South America.

Reproductive isolation is a biological process that prevents gene flow between populations or species, thereby maintaining or promoting genetic divergence and speciation. It operates through ...

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.

How does a cockroach's aversion to sugar turn into an aversion to mating? Researchers discover the mechanism behind this behavior. A new study from North Carolina State University shows the behavioral ...

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 ...