Passengers on the world's highest train line rave about the stunning mountain views, but say the altitude sickness is ...

Regional operator Skippers Aviation has taken safety action after a Fairchild Metro 23 twin-turboprop airliner descended below the lowest safe ...

Two Brazilians climbed 6,961m Aconcagua in a week to and from their home town. It comes days after a UK team said they would try the same on Everest.

which extract oxygen from sealed canopies, simulating high-altitude conditions. For up to eight weeks, mountaineers use this equipment combined with using masks to breathe thinner air while ...

conditions which make altitude sickness common. Williams, 49, prompted concern among fans when he posted a photo on social media where he was connected to an oxygen tank and wearing nasal tubes.

"There is less oxygen available to breathe at higher ... but being tipsy can mask a condition known as high-altitude cerebral edema, a swelling of the brain. Symptoms include having trouble ...

This “offers us a window into past conditions at high elevations”, says Cathy Whitlock at Montana State University. Whitebark pine (Pinus albicaulis) don’t grow at this elevation now ...

"5280" on the Broncos helmets is an ode to the elevation in Denver, which is 5,280 feet above sea level. Because 5,280 feet equals a mile, Denver is known as the Mile High City. As a result ...

An Austrian guide will soon lead trips up the world’s highest peak in less time than an average beach holiday. Is adventure travel going too high, too fast?

(Photo by Spc. Javion Siders/U.S. Army) The Army is scouring industry for unmanned aircraft systems to launch from medium- or high-altitude platforms that would perform tasks like intelligence ...

Whether it's a wintry visit to a snow-covered ski resort or a summertime hike in an alpine park, a vacation in the mountains can be breathtaking. Literally.

0:40 Mask mandates return to certain health-care settings in B.C. Medical masks are again required in British Columbia health-care facilities as provincial authorities say cases of respiratory ...