When our distant ancestors first traded nomadic life for farming, villages, and permanent homes, you might assume that the ...

With all the recent attention given to the debate over evolution and creationism, you'd never know that a much more interesting debate has been going on for decades amongst evolutionary biologists.

For well over a century, Darwin’s theory of natural selection has served as biology’s grand unifying framework, explaining how species adapt and evolve through the differential replication of randomly ...

Human aging is not what natural selection failed to prevent. It is what happens when selection simply has nothing left to act ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which species ...

"Survival of the fittest" is the catch phrase of evolution by natural selection. While natural selection favors the most fit organisms around, evolutionary biologists have long wondered whether this ...

Essential organs tasked with keeping us alive and reproducing – such as the heart, brain or uterus – may have evolved better protection against cancer than larger and paired organs, we have proposed.