History is repeating itself in the world of controversial sports records.

Four British climbers pose on the summit of Mount Everest in Nepal last Wednesday. The mountain guide who arranged their trek said he and the team had inhaled xenon gas in Germany before embarking ...

To skip the usual weeks or months spent gradually adjusting to high altitude, they paid a reported $153,000 each for a bespoke protocol that included inhaling xenon gas to help them adjust more ...

They also received an unusual treatment of xenon gas, doing the climb under the direction of Lukas Furtenbach, who has been trying different methods over the years to shorten the time spent on ...

Kami Rita has been scaling the world's tallest mountain since 1994. He reaches the summit nearly every year—and sometimes twice in the same year ...

Their secret was to inhale Xenon two weeks prior to the climb, a gas well known to anaesthetists, but so far unheard of in mountaineering. When I climbed Everest in 2009, I remember thinking that the ...

The group, all former British special forces members, became the first climbers to use xenon gas to scale the world’s highest mountain. The climbers included Alastair Carns, a parliament member and ...

The four men, who include government minister Alistair Carns, left London on Friday, pre-acclimatised to the low oxygen at high altitudes—including the controversial assistance of xenon gas, a method ...