Wearing scuba gear and hovering upside-down below the frozen surface, can there be any more extreme sport?
Tornado - first since 1954 - signals freak downpour, opening craters in roads which swallow up cars.
'We can't stand by a watch this lawlessness', insist men travelling on five-day 3,900km journey to take up arms in Novorossiya.
'Second Spring' arrives with rhododendron blossoming for rare encore in October.
Rare historic pictures show Russia's last tsar as the first builder of the Trans-Siberian Railway 125 years ago this month.
New expedition in Laptev Sea suggests increase in the rate of underwater permafrost degradation.
Experts say no sign of any human settlements close to 'largest necropolis in Asia for the extinct beasts'.
A pioneering French-Siberian Scientific and Education Centre highlights international recognition of Siberia's scientific strength.