ELAFONISOS, Greece — A month earlier, the two divers had scoured this exact seabed, spearfishing a single species until the craggy floor was nearly bare. Now, they cut the engine and wriggled into ...

Studies of insulin, blood sugar and diabetes in other animals such as fish and dogs have already saved millions of lives and could lead to new treatments for type 1 and type 2 diabetes.

A North Carolina snake swallowed a catfish whole in a surprising encounter that was captured in a viral social media video.