NBC News reviewed dozens of videos that showed small animals being physically maimed. The videos have spawned their own small internet niche of reaction videos, discussion, bizarre memes and even ...

Warming oceans initially produced more male fish, but the effect reversed - offering hope for species facing climate change.

For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field season, local fish would follow them and steal food intended as experimental ...

In many fish species, water temperature determines the sex of the fry. This biological mechanism threatens to wipe out entire ...

SACRAMENTO, Calif. (AP) — State fish and wildlife officials are studying a new way of transporting hatchery salmon that are intended to repopulate the Sacramento River system, a newspaper reported.

Tiny, striped tropical fish could hold the help needed by people with a rare, fatal, hormonal disorder with few treatment options. At Cedars Sinai Medical Center, researchers are experimenting on ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Sharks appear to prefer fish blood to that of humans, according to a ...

Research published in the Journal of Experimental Biology has shown that flying fish are every bit as good at gliding as birds. The fish are able glide for more than 40 seconds, covering distances of ...