Have you ever puzzled over the meaning of a particular wildlife word or phrase? Then puzzle no more! From the 'Fraser Darling effect' to the 'K-T Boundary', our glossary provides the explanation – in ...

The selection shadow concept is the idea that the natural filtering carried out by evolutionary pressures – the classic ...

Why humans have a philtrum, the groove above your lip, explained by an evolutionary biologist — from embryonic face-building to vestigial anatomy.

Biologists group animals with similar traits into broad categories called orders. Despite their similarities, animal species in the same order can have very different average lifespans. One of the ...

Antibiotic resistance and tolerance are thought to be the key phenotypic traits that underpin evolutionary adaptation to antibiotics. However, the concepts of resistance and tolerance can be traced ...

Deep within the dark caves of northeastern Mexico lives a fish that has spent hundreds of thousands of years adapting to a world without light. The blind Mexican cavefish (Astyanax mexicanus) has ...

Scientists studied the remains of a mysterious human relative called Homo naledi found deep in a South African cave and ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

"Today, your wellbeing is determined less and less by your personal biology and more and more by the cultural systems that ...

Remote Scottish islands turned tiny wrens into giant birds that may be evolving into new species. Tiny wrens living on remote Scottish islands are providing scientists with a rare look at how ...

The clock is ticking on all our lives; we just don't know when it will stop. Scientists have devised a host of tools in their attempts to gauge biological aging – not just how many birthdays a person ...