A new study in Proceedings of the Royal Society B reveals the surprising neurological landscape of fish brains. Harvard ...

A rare fossil fish scan reveals brain features and adaptations tied to the transition from aquatic to land animals.

In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...

Life revolves around water in this quiet fishing village in Brazil’s southern Pantanal, the world’s largest wetland. Here, a ...

Can we finally retire the myth that goldfish have three-second memories? This oft-cited “fact” has been thoroughly debunked. Scientists have shown that fish can distinguish and remember individuals, ...

North America's largest freshwater fish, in fact — could find its way into a couple of small Utah lakes. The Utah Department ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A fish species thought to be extinct has suddenly been found in a small pond in Bolivia. The rare seasonal killifish, ...

Running down a list of the best tasting fish isn’t easy or totally fair. Taste is subjective, after all. It’s a matter of ...