Elizabeth Lavis planned to hike one of the highest mountains in the Bolivian Andes for her birthday. She said she climbed too quickly, lacking preparation and acclimation, and got altitude psychosis.

After diving into the poles, it’s time to shift our focus to two of the world’s most iconic mountain ranges,the Andes and the Himalayas. As someone who’s spent much of my life near the towering peaks ...

The south face of Aconcagua, the highest peak in South America, at 22,841 feet (6,962 meters) above sea level. (Image credit: Johnathan Esper Shutterstock) The Andes is the longest mountain range ...

The soaring, jagged peaks of the world's second highest mountain range, the Andes, could owe their stature not to the power of the Earth but to that of the sea. So propose Simon Lamb and Paul ...

The longest mountain range on land is the Andes in South America. The Andes run for over 7,000km. Other mountains (usually those that stand on their own) are created by ancient volcanoes.

Chimborazo is only the 39th tallest mountain in the Andes, when measured from sea level, but there was a brief time in the 19th century when it was thought to be the world’s highest peak.

Focusing on the Lake Titicaca Basin in the Andes mountains, a team of anthropologists found through analysis of 1,179 projectile points that the rise of archery technology dates to around 5,000 years ...