Congressional Republicans who want to delist several endangered species of predator now have an ally in the administration.

Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research. Some species of fish can evolve their egg-laying habits in ...

Fish contains mercury, but the level of mercury varies between different species. If you're watching your mercury intake, ...

Bipartisan lawmakers find common ground in the middle of partisan divides as sea lions threaten Washington salmon populations ...

"Migratory salmon sharks feed on salmon near Alaska’s Aleutian Islands during the summer and breed in warmer waters off the coasts of Oregon and California during the winter. Along their journey, ...

Many prey species have defensive tactics to escape being eaten by their would-be predators. But a new study has taken it to another level by offering the first video evidence of juvenile Japanese eels ...

On Feb. 29, Cody Roberts was out hunting on his snowmobile in Wyoming when he crossed paths with a lone gray wolf in the state’s “predator zone,” where wolves can be killed by almost any means and ...