Aconcagua, the highest mountain in the western and southern hemispheres and the tallest peak outside of Asia, rises to 22,841 feet (6,961 meters). As the highest peak on the continent of South America ...

Team members make final adjustments to the weather station on the summit of Mount Aconcagua. Weather equipment developed at the Mount Washington Observatory is now installed on top of the highest ...

High on Mount Aconcagua, the Western Hemisphere’s highest mountain, the shrinking Polish Glacier spits out what it once devoured – in this case, a 50-year-old Nikomat 35 mm camera. Two porters, ...

Even in the middle of the South American summer, Mount Aconcagua is often buried in snow and buffeted by high winds. Doublex’s party saw a drier, warmer side of the mountain when they reached the ...

Mountaineering in 2025 has taken a shift away from surviving weeks on the mountainside and moved towards pushing the limits of endurance, logistics, and speed.

YORBA LINDA, Calif. (KABC) -- Thirteen-year-old Tyler Armstrong has already conquered several of the world's tallest mountains -- and set records while doing it. Now, the Yorba Linda teenager is on a ...