Winter has returned to Northern Bulgaria, bringing snowfall and a sudden drop in temperatures. Snow has covered the Balkan ...
Bulgarian slalom star Albert Popov, who recently claimed his first World Cup win, learned how to ski at Vitosha, the moun ...
NASA's Landsats captured views of a Swiss glacier 40 years apart, showing how a warming world has reduced its footprint.
The Himalayan snow line is rising at an alarming rate, leading to more frequent wildfires and water shortages.