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 tracking blind Mexican cavefish uncover a striking evolutionary reversal where existing brain circuits are rewired via dopamine to flip behavioral responses to light.

In this week's Science for All newsletter, Divya Gandhi explains how ants, dolphins and birds use inter-species cooperation ...

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 ...

When people build cities and introduce invasive creatures, resident critter populations sometimes adapt Brian Handwerk | Science Correspondent Several species have evolved in response to human ...