Everyone knows what planet Earth looks like… right? But from the earliest black-and-white photos returned by high-altitude rockets to the daily flow of snapshots taken by astronauts on the ISS ...

That means your body is exposed to environmental changes such as low cabin pressure, reduced oxygen levels, and air drier than most deserts. These conditions can alter the way you experience food, ...

High-altitude cerebral edema (HACE) is the most severe form of altitude sickness and happens when there’s fluid in the brain. It, too, is life-threatening, and you need to seek medical attention ...

Commercial airplanes have a cruising altitude between 30,000 and 40,000 feet—and it has to do with the air.

At University of Colorado's Altitude Research Center, experts are working on a variety of studies about altitude and health. They know a few remarkable things already, said Dr. Benjamin Honigman ...