Eating fish is good for the planet, say a set of new reports.

As the ocean warms, oxygen concentrations go down. Fish are already moving into shallower waters, new research indicates.

Five new papers offer evidence that aquatic food, aka "blue food," could fight malnutrition while increasing sustainability.

Rivers are among among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.

A collaborative approach with Scottish fishers has led to an app that shares data about the location of endangered species so that other fishing vessels can avoid them.

When conditions are just right in some parts of the Indian Ocean, a type of bacteria will multiply and start to glow. Satellites are helping scientists study these milky seas for the first time.

Fish have pooped on reefs forever. But as climate change warms the seas, it's become a problem for coral, researchers say.

The giant sea bass fishery collapsed long ago in the U.S., but that didn’t mean the species was endangered. New research shows these iconic fish have been thriving south of the border.

Pescatarians might frustrate purist vegetarians, but the issues surrounding fish are quite different to meat.