The renowned mountain guide who used xenon gas treatment to put clients on top of Mount Everest and return them home within a week defended his technique, saying it is making climbing Mount Everest not just faster and safer, but also better for the environment by cutting down on garbage and waste.

An expert guide says a coronavirus outbreak on Mount Everest has infected at least 100 climbers and support staff.

A U.S. health panel says it’s time to resume use of Johnson & Johnson’s COVID-19 vaccine, despite a very rare risk of blood clots.