Evolution is always happening — so why can't we see it? A biologist explains the timescale problem, election pressure, and ...

Vision shapes how many animals find food, avoid danger and navigate their world. In animals with two eyes, eye placement is ...

(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

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

Hundreds of hominin fossils reveal that human body size remained stable for ages before a sharp increase in early members of ...

For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in primates. Now, an Oxford evolutionary psychologist who doubted it from the start ...

Scotland's island wrens are quietly breaking the rules of evolution, growing in ways that have stunned researchers and raised ...

Humans Are Still Evolving. Natural Selection Has Favored Genes Linked to Red Hair and Less Male-Pattern Baldness, a Study ...

Mollusks have produced many evolutionary innovations since they first appeared 540 million years ago, including spiral shells and a toothed tongue. A new study shows that about half of these ...