You’ve probably heard of the phrase ‘once in a blue moon’. It refers to a lunar phenomenon, one that happens rarely and unpredictably, where the moon appears extra full, and it leaves astronomers ...

Planetmountain.com is a site about climbing, mountaineering, trekking, via ferrata, freeriding, ski mountaineering, snowboarding, snowshoeing, and ice climbing on all the mountains of the world. It ...