Hidden ponds have a certain mystique, like they’re keeping secrets that only reveal themselves to people willing to look.

Billions of birds share the planet with us. With their flamboyant plumage and joyous dawn serenades, many of them are impossible to miss. But how did they get here, how did they break the bounds of ...

Deep in the Ecuadorian Andes, an ancient forest stands as a final sanctuary against the encroachment of human activity. This is the Yanacocha Reserve, the last refuge for the Black-breasted puffleg ...