When most people think about natural selection, they imagine individuals competing with one another: The fastest animal ...

Study of 280 empirical papers suggests evolution is shaped by both individual advantage and competition between groups.

New research challenges the one-level view of evolution, showing natural selection works on individuals and groups together.

"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 ...

Evolutionary shooter that creates an involving, sometimes terrifying, tactical battle between two distinct races. Brilliant. PC Gamer's got your back Our experienced team dedicates many hours to every ...

The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. But by using a long-term study of one population of penguins, researchers have been able to do ...

In a recent study, scientists have demonstrated a link between individual variation in risk-taking behavior and survival of animals in changing environments. For more than a century, scientists have ...

Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a ...

This article starts by reviewing the differences between various measures of fitness, for example, individual fitness, absolute fitness, relative fitness and geometric mean fitness. Differences in ...