For decades, scientists used a mirror experiment to explore whether animals could recognize themselves. In that test, ...

This small fish shows self-awareness like apes.

People are eating more and more fish. To meet rising demand, fish are increasingly being cultivated in fish farms. Aquaculture is the fastest-developing branch of the global food industry, with annual ...

State regulators are reviving a once-successful program to test the mercury levels of fish caught in Louisiana waters, providing consumers with updated warnings for the first time since 2008.