Nepal is tightening access to Mount Everest by requiring climbers to summit a 7 000-metre mountain first, aiming to improve safety and reduce overcrowding.

If you want to climb the world’s tallest mountain, Nepal wants to see your résumé first. Turns out experience matters and for Nepal it looks like 7,000 meters. In a bold move aimed at improving safety and reducing the deadly traffic jams on Mount Everest,

An expedition is planning to take clients up the world's tallest mountain in record time with xenon gas. But some in the climbing and medical world worry it is an unnecessary gamble.