A K-9 follows a fading trail through blinding snow, finding a missing boy alive against the odds. Read more at ...

With more than 300 million scent sensors, the aptly named bloodhound can find anything with his nose. Even this dog’s body is built for scent tracking. The bloodhound has a long head with large ...

Search dogs are a less common, but still effective method of finding lost pets. Search dogs use scent trails to track where a pet might have travelled or hidden. While search dogs are most known for ...