Given a possible weather delay, the climbers currently heading for the summit of K2 could reach it during the third week of August. That would become the mountain's first August summits since 2011, ...

A Polish mountaineer on Sunday became the first person to ski the entire descent from the summit of K2, the world’s second-tallest mountain. Andrzej Bargiel, 30, was one of nearly three dozen climbers ...

Grab your binoculars: A comet that has fascinated scientists for five years approaches its closest distance from Earth this week — and you might be able to catch a glimpse. There’s a chance of ...