Fish like roach that migrate between lakes and streams have larger eyes with bigger pupils, improving vision in low light.

Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach that stay ...

USFWS Pacific Southwest Region / Flickr THE FIRST FISH were completely marine, originating in the ocean. When coastlines got ...

Mesoscale ocean eddies transport nutrients and energy-rich lipids, helping sustain marine ecosystems far from coasts.

A magical mermaid story extracted from the new book Welsh Folk Tales of Coast and Sea by Peter Stevenson. The shallow sea in ...