Repeated sightings of green-coloured snow in the Russian city of Pervouralsk is concerning residents.
Here is the best of our No Comment videos this week.
Coal dust is being blamed for turning snow black in Russia's largest mining region in Siberia
Police in Norway put themselves on a slippery slope by racing each other using their shields as sledges.
Andreas Oberauer's daily commute requires him to take a cable car to nearly 3,000 metres above sea level.
From snow-covered monuments to motorway chaos, take a look at how the sub-zero temperatures are affecting the UK.
Italian firefighters rescue 200 people trapped in snowy motorway
The extreme cold weather in the United States Midwest has frozen rivers and turned ordinary objects into “ice sculptures”.
Lows of minus 49 degrees Celsius that paralysed the US Midwest are being blamed for over 20 deaths.
Nearly half a month's worth of snow fell on the Russian capital over the weekend.
Americans are wrapping up against a blast of Arctic air from a polar vortex, which has brought dangerous and freezing weather to a large area of the country.
Snow and ice are expected to disrupt travel across the UK this week, with yellow weather warnings issued by the Met Office.
A Polish carpenter always dreamed of fulfilling his dream of building a life-size igloo. He's now achieved that and is on his way to building his second one atop a snowy mountain.
Snow lovers in Washington DC celebrated the region's first major snowfall by lobbing snowballs at one another on Sunday afternoon, in what has become a recent post-snowstorm tradition in the US capital.
Extreme snowfall caused chaos in parts of Europe this week, bringing some communities in Germany and Austria to a grinding halt. Here is a look at of some of the areas most affected by this severe winter weather.
2019 kicks off with extreme weather as heavy snow blankets large parts of Europe
The two men leapt off the train and carefully shovelled snow from around the chamois until it could pull itself out and make its way to a forest.
The capital of Greece woke up on Tuesday to rare snowfall.
It's a winter wonderland in a rather unexpected location today — Athens has been hit by a snowstorm and much of northern Greece is struggling to deal with snow and subzero temperatures.
Southern Germany, Austria and Switzerland were among the most affected areas on Saturday
At Obertauern, a ski resort in Salzburg, almost 40 centimetres of snow fell with temperatures dropping to two degrees Celsius.
Residents of higher areas warned to avoid travel if possible as winter weather returns.
Four skiers and two climbers perished in separate incidents at the end of a tragic winter season in the mountains.
Welcome to La Grave in the French Alps for the 30th anniversary of the Derby de la Meije, a legendary event for freeride enthusiasts daring to race off-piste.
People heading back home after the four-day Easter weekend are battling it out with snow, rain and sleet.
A blanket of orange-tinted snow transformed ski slopes in Eastern Europe, including Romania and Russia, so that they looked like the red planet.