Salmon rearrange the gravel in streams when they prepare spawning sites, creating areas known as redds. This digging changes ...

First, it’s important to know that fish are covered in a thin layer of mucus. This slimy coating (it is also called a “slime ...

Fossil evidence from North China indicates that certain ecosystems may have rebounded within just two million years after the ...

New research from wildlife biologists shows that poachers play a bigger role in the deaths of eagles, hawks, and other birds of prey in the West than previously thought.

Microplastics are being spread through animals' waste at surprising levels, significantly harming marine ecosystems.