This phenomenon, known as ocean deoxygenation, has emerged as a fundamental pathway for climate change to alter marine ecosystems. An important concern is how this global oxygen decline will ...

The boxer pupfish are believed to be extinct in the wild Eggs from a rare Mexican fish species believed to be extinct in the wild have successfully hatched at Bristol Zoological Society.

Welcome to the “Which type of fish are you?” personality quiz! Fish come in all shapes, sizes, and colors, with a vast array of unique traits and characteristics. Just like fish, people come in all ...

WATCH: Sharks biting alligators, the most epic lion battles, and MUCH more. Enter your email in the box below to get the most mind-blowing animal stories and videos delivered directly to your inbox ...

If you're craving salt, the cause could be as simple as boredom or stress. But there are also medical causes, like side effects of medications, a sodium deficiency, or a chronic condition, like ...