Arosa’s Ice Halos: The Science Behind a Remarkable Sky
Sometimes the most memorable sight on a mountain is above the mountains. In late November 2019, Michael Schneider photographed an elaborate ...
natural phenomena
Explore our natural phenomena stories below. Open an article for photographs, context and related places to discover.
Where Rivers Meet: Understanding the Colours at a Confluence
Two rivers meet, and for a while the water seems to have a seam. One side may be pale and cloudy, the other dark or green. Seen from a bridg...