The comet C/2017 K2 passed its closest point to Earth on Wednesday and Thursday, prompting casual astronomers to set up their backyard telescopes and take a look. The comet has attracted interest in ...

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, ...

Anxiety gnaws at climbers on K2 and Broad Peak; conditions are still bad, rope-fixing work is seriously delayed, and the season is approaching its end. This means that, for another year, there will be ...