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

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

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.

You may have come across a meme showing an ancient fish known as Tiktaalik. It shows the green, eel-like creature crawling out of the sea about 375 million years ago — about the time that scientists ...

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

Long before whales dominated the oceans, Earth’s seas were home to a fish so massive it continues to challenge our ...