This growth may sound insignificant, but over centuries it shapes landscapes and alters the world map just slightly. This ...

What ultimately formed Mt. Everest, about 60 million years ago, was the rapid movement of India northward toward the continent of EuroAsia; Click here for a present-day map of the Indian subcontinent.

In the early years, little was known about the physiological effects of extreme altitude, and mountaineers the world over wondered if they could possibly climb Mount Everest, the world's highest ...

But if climbers want to summit Mount Everest, the tallest peak in the world at 29,029 feet (8,848 meters or 5.5 miles) above sea level, they have to brave what's known as "The Death Zone" - the ...