A British expedition summited Everest in days while supplementing xenon. Is it the secret ingredient mountaineering has been ...

Some see a record-breaking ascent by British climbers who used xenon as a breakthrough, but others view it as the latest ...

Over a decade ago a theory was floated that a primitive civilization on Mars was eradicated by a nuclear explosion, but NASA ...

Science correspondent Allan Blackman joins Kathryn to talk about concerns in the world of mountaineering and among the Nepalese government about a recent feat by four British climbers. They traveled ...

"Behind the Backglass," an exhibit celebrating women who shaped pinball, is now open at the Pacific Pinball Museum. Vicky ...

"To the discerning eye, other mountains are visible—giants between 23,000 and 26,000 feet high. Not one of their slenderer ...

On May 8, 1978, world-renowned alpinist Reinhold Messner and his frequent partner, Peter Habeler, became the first to summit ...

During the last ice age, storms soaked the now-arid Southwestern U.S., while today's rainy Pacific Northwest remained ...