Divers froze when this electric-blue eel drifted into view. Russia’s battlefield losses surge to alarming new level in ...

Juvenile ribbon eels start their journey in a stunning black hue, according to a Coral Divers group in South Africa, but as they mature, their colours evolve into a vibrant display: adult males flaunt ...

A startup called Flow Neuroscience is putting a new spin on an old treatment for depression. Does it work? Is it safe?