A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

Insect wings represent a pivotal evolutionary innovation that has underpinned the remarkable radiation of the Insecta. This field, at the intersection of evolution and developmental biology (evo-devo) ...

Biologists are closing in on a puzzle that seems to turn classic evolutionary logic inside out, yet may be so common that it deserves to be called a new rule of life. Instead of always purging harmful ...

A reduced genome in an island species raises evolutionary questions.

The study of Astyanax mexicanus, encompassing both its cave-adapted and surface-dwelling forms, has emerged as a model for understanding evolutionary adaptation to extreme environments. Researchers ...

In tropical climates, lizards are everywhere. It can be a bit wild to see, and they come in all shapes and sizes. They seem a tad superfluous in such large varieties leaving one to wonder, what ...

Historiographical accounts typically place the formulation of the first embryological theory of the evolutionary origin of vertebrates after the publication of Darwin’s On the Origin of Species (1859) ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...