In the south, there is a species of fish that is native to only a single river, anywhere in the world. Here's how we found it ...

Last month, courts on both sides of the Atlantic delivered a clear verdict: When classifying titanium dioxide as carcinogenic ...

From sniffing out rare species to tracking down poachers, dogs aid conservation efforts in a surprising variety of ways. And a growing list of successes shows how our best friends’ legendary noses can ...