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

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

(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have brought us to a major turning point in our evolutionary journey. According ...

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

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

A vast stretch of islands across the South Pacific holds one of the oldest human stories on Earth. For tens of thousands of ...

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 ...