Suspect Evgeny Bukharin, 40, married father-of-two, detained by police in Kemerovo region.
First pictures of remains at least 10,000 years old found in Siberia's Sakha Republic.
Samples taken from cubs frozen in permafrost for at least 12,000 years.
A family was rescued by helicopter after chopping birch trees and using them to spell 'SOS' when they were ringed by blazing wildfires.
Police launch probe into slaughter of protected two year old animal 'riddled with bullets'.
Up to 30 shot dead after winning traditional spring reindeer races in remote Tiksi.
Pipes are built over bulging and unstable Arctic pingos prone to violent eruptions caused by 'thawing methane gas', as seen twice on the Yamal peninsula this year.