While this scenario sounds apocalyptic for us, it’s run-of-the-mill for blind Mexican cavefish (Astyanax mexicanus) as ...

Deep within the dark caves of northeastern Mexico lives a fish that has spent hundreds of thousands of years adapting to a ...

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

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every corner of the world, and can thrive in deserts, tropical rainforests and even ...

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 ...