When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Vitamin D is a fat-soluble vitamin critical for bone growth and cell development. Rainbow trout, salmon, sardines, tuna, mackerel, and herring are good sources.

PFAS – per- and polyfluoroalkyl substances – otherwise known as forever chemicals – are man-made chemicals known for their ...