The meteorite that crashed to Earth in the Urals was attacked by a UFO causing it to explode and shatter, it was claimed on Thursday.
Yet nickel capital Norilsk - the city with the highest industrial emissions - does not feature in the top ten.
Military strikes from air not ruled out to move giant landslide blocking Bureya River causing flood threat to villages.
Here we go back in time and remember 13 remarkable moments of 2013.
Startling new footage shows how a ‘mountain moved’, trees were ‘beheaded’, and blocks of river ice ‘flew’ onto the land.
Startling new details emerge of the most mysterious of Siberia's newly created giant permafrost holes.
Quality of life in booming oil capital Tyumen is better than that in Moscow or St Petersburg, says financial survey.
Actor is being awarded the Siberian Oscar (if he arrives to collect it) - but is also now wanted as a tourism guru after 'blunder' on Urals pollution.
Real-life adventurers to a 'professional blonde' queue to participate in the ultimate brutal television reality contest, where 'rape and murder' are not banned.
A mysterious cave is giving up its pre-historic secrets to scientists and could 'change our view' of the Earth's climate.