Recent research by Bowling Green State University scientists has sent shockwaves through the bird-watching world after ...

For 130 years, a small Chilean frog vanished from scientific view. Biologists searched. Nature enthusiasts kept their eyes open. But Alsodes vittatus remained stubbornly invisible.

Aymarans, who live in the Andes mountain range of western South America, have evolved their own unique adaptation to life at ...

I got altitude psychosis a few hundred meters from high camp as I scaled the frigid face of Huayna Potosí, one of the highest mountains in the Bolivian Andes. My optimism, my determination ...

Mountain glaciers in the Andes are almost certainly the smallest they have been for at least 130,000 years, a study of rocks ...

Making the trek along the Inca Trail can be described as challenging because of the altitude in the Andes. Hikers will see cloud forests, Puna grasslands, high mountain passes, and plants native ...

EL BOLSÓN, Argentina — A freakish red sun burst through enormous red-tinged mushroom-shaped clouds billowing smoke as we rattled down the dirt roads in the foothills of the Andes mountains ...

Bolivia is home to about 3,000 adult bears, or roughly one-third of the world’s total Andean bears, whose range arcs through five countries along the western edge of South America. Listed as ...