For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

As my father and I trudged up a snowy trail in Valles Caldera National Preserve, hoping to get a better view of an elk herd ...

The animal kingdom gives us rainbows of color with butterflies and chameleons, and clownfish, but birds give us just as much ...

Birding is a relaxing hobby that's easy to learn. Once you get into it, consider visiting this popular New York destination ...

They are called sky islands. Tall mountains surrounded by a “sea” of desert, yet, almost literally, not a drop of water to be ...

Ornithologist Bruce Beehler tracks down what he calls the “Magnificent Seven,” a charismatic group of migratory birds, in his ...