Temperatures as low as minus 41C did not deter Russians immersing themselves as medics stood ready to offer help.
Aware of accounts of mysterious relic reptiles lurking in the deep, here are the first pictures from a record breaking dive.
It may seem unusual but sunbathing in snow and wearing nothing more than a swimming costume in -10C can help fitness.
Sightings of 'primeval monsters' in Siberia's Lake Labynkyr were made before 'Nessie' was spotted in Scotland.
This and 10 other silly questions answered by the Arctic explorer Alexander Oboimov.
A Moscow scientist is calling for a new scientific expedition to solve the mystery of a huge 'monster'.
Pyramid is literally frozen in time, captured on camera by Vladimir Prokofiev.
Amazing scenes as Russia’s iciest region of Yakutia plunges to near record lows, and even the thermometer in the world’s coldest village breaks down.
Satellites show giant hole ringed by 20 'baby craters'.