Beneficial mutations happen quite frequently, but the world changes too fast for them to stick.

For a long time, evolutionary biologists have thought that the genetic mutations that drive the evolution of genes and proteins are largely neutral: they're neither good nor bad, but just ordinary ...

Cancers are populations of cells that are heterogeneous across space and through time. This diversity is currently a major clinical issue, limiting the efficiency of most cancer treatments as there is ...

The idea that modern humans inherited DNA from Neanderthal ancestors is one of the 21st century’s most celebrated discoveries in evolution. It may not be that ...