Hiking is a true national pastime in Germany–and deservedly so. However, as temperatures rise, many people are drawn back to ...

A California teen, who was placed in a coma after he hallucinated and walked off a cliff while hiking, is now breathing on ...

Mountain adventures promise stunning views and unforgettable memories, but ascending to high elevations triggers profound changes throughout your body.

A 14-year-old boy in the US is in a medically induced coma after walking off a 120-foot slope right in front of his father while hallucinating due to altitude sickness.

Four climbers went up and down Everest in under a week with the help of xenon gas—a record-breaking ascent that has ignited ...

A devastating hiking accident on Mount Whitney has left a 14-year-old California boy clinging to life after altitude-induced hallucinations ...

The teenager began to hallucinate, claiming to see 'snowmen and Kermit the Frog', before walking towards the edge of the ...

Australian YouTuber Spanian was rescued by helicopter after experiencing extreme altitude sickness during a spontaneous trip ...