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.

Kyiv says Russian shelling and drone activity have increased today while Moscow accused Ukraine of launching hundreds of ...

Hummingbirds are a fan favorite among birdwatchers, and for good reason — they're playful, energetic and tiny (which makes ...

Picture this: a tiny bird, no bigger than a teacup, once on the verge of disappearing forever, now chirping with hope again ...