Are you curious about the smallest dog breed in the world? In this video, we're exploring the fascinating world of Chihuahuas ...

Learn what a Calliope hummingbird looks like, where to find these tiny birds in the U.S., and how to attract them.

Shark bycatch kills millions of sharks each year, even in U.S. longline fisheries, where many are discarded dead. Because ...

An unforgettable stretch of roadway hugs the edge of the continent where cliffs rise sharply above the Pacific and waves ...