In the years since then, balloon flight technology has evolved from cloth balloons and open baskets to polyethylene balloons ...

Drought is increasingly affecting Swiss mountain forests at every elevation, potentially weakening their protection against ...

The U.S. Air Force is advancing a high-altitude balloon prototype under the Swamp Gas project to provide a persistent ...

To prevent altitude sickness, acclimate for two or three days before exceeding 8,000 feet at Machu Picchu. Begin your adventure at sea level in Lima, then explore the Sacred Valley before tackling ...

Every year, thousands of people travel to high-altitude environments for tourism, adventure-seeking, or to train and compete in various sports. Unfortunately, these trips can be marred by the effects ...

When you’re mountain climbing, hiking, driving, or doing any other activity at a high altitude, your body may not get enough oxygen. The lack of oxygen can cause altitude sickness. Altitude sickness ...

I huffed and puffed as I approached the summit of Mt. Kilimanjaro. In retrospect, some of my puffs weren’t just breath. At 19,341 feet Kilimanjaro is the highest peak in Africa, and draws about 35,000 ...

Altitude training is a component of virtually all elite running programs-- 95 percent of all medalists at the world championships and the Olympic Games since 1968 have either lived or trained at ...