Alexey Kolganov films himself skating on transparent ice of lake Baikal, as new cracks form under his skates. Most surprising is the unexpected, cosmic sound.
The Bear Patrol in is on high alert as predators are gathering by a walrus rookery. At least nine polar bears were noticed by residents of Ryrkaipiy, a village in the easternmost region of Chukotka.
Stuck in ice, two trucks of a local silver mining company got trapped more than a month ago. Drivers have to live nearby as they keep trying to remove their vehicles.
By this time of year, boats are usually plying the ice-free Ob, but in 2018, while the winter covering the river has begun to move, it has not cleared.
Thick ice and heavy spring floods combines to cause severe flooding in Yakutia. Specialists numbering around 100 have been moved from Baikal Search and Rescue Unit (Irkutsk region) and the Siberian Rescue Centre (Novosibirsk region) have been moved the the stricken region.
Gas bubbles from waters filling crater hole on Yamal peninsula two months after volcanic-style explosion in thawing permafrost.
The aim is to give warnings over seismic activity that could lead to the sudden formation of new craters, which could potentially damage key industrial infrastructure.
Father missing under snow; more than 200 people continue search and rescue at -23C, snowstorm and bleak light of polar night.
Baikal is located in a rift zone, a deep crack in the Earth's crust which narrows at depths of several dozen kilometers. A tranquil video of white and silver bubbles of methane caught in newly-formed ice was filmed at Maloye More, a strait that separates the lake's largest island from the western shore of Lake Baikal.
Blame for pollution is focused on failure of coal plant to filter emissions.
Hundreds of craters caused by methane explosions were discovered underneath Barents sea. Further research finds evidence that the violent explosions could happen again in the future.
Scientists confirm loss of ‘Pearl’ island, while schoolchildren using satellite maps identify one of the new icy Russian isles.
Amazing footage shows the bears just 150 metres from the nearest house as shooting is criticised - but does little to deter predators.
Permafrost preserved the ‘oldest blood in the world’ boosting hopes of bringing extinct species back to life.
The exact reason of the leak is yet to be established, but a statement from Norilsk Nickel company, which operates the site suggests it could have been caused - worryingly - by collapsing permafrost.
Major rescue operation on the island of Sakhalin went on for two days. Some of the fishermen made their way back to safety on ice floes, using ice diggers as oars.
Video shows hero climbers manually breaking ice off its cable stays at height of 324m (1,063ft) in Vladivostok.
Instead of halibut, fisherman are increasingly catching less valuable Pacific cod, voracious bottom feeders whose numbers in recent years have exploded.
Many Pacific islands are famed for their palm trees, but Sakhalin is facing some of the heaviest January blizzards in living memory.
Yakutia in a white blanket as temperatures dip to minus 6C as winter 'comes too soon'.
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