Tagging wildlife alters animal behavior for days, reports new research. The findings highlight a need for longer tracking periods to better understand animal behavior in the wild. The corresponding ...

A fish walks into a pharmacy ... It's the start of a joke – with echoes in reality. Sort of. Fish aren't being prescribed anti-anxiety drugs. But they are experiencing the effects. That's because fish ...

Traces of pharmaceutical drugs are finding their way into waterways around the world. A new study in the journal Science suggests that this kind of pollution can mess with salmon migration in somewhat ...