Threat to Salekhard and Anadyr could come even sooner - by the mid-2020s - as thaw of frozen ground is forecast to have 'devastating' impact.
Subsea permafrost thaws faster than previously thought, Russian scientists say.
Running water is one of the most soothing and relaxing sounds known to man, but here it signals the rapid thawing of ground frozen for thousands of years.
An expedition is underway to locate and analyse deposits of methane in 'underwater permafrost' in the seas of Okhotsk and Japan.
Renowned scientist says temperatures could 'rise twice faster' in Yakutia than the rest of the world.
200 metres wide thermocirque seen weeks after scientists find funnel in the Yamal peninsula, caused by build up of methane.
Expert says deadly gas released from melting permafrost region will lead to 'awful' consequences for global warming.
Research of stalactites and stalagmites in a cave near Lensk in Sakha Republic show the dire threat to the planet from global warming, says a new study.
Unique archeological and paleontological sites face destruction from gangs seeking to raid and sell prehistoric remains.
Angelina Sadovnikova, then 11, came across the mummified Pleistocene rodent in a cavity left by woolly mammoth tusk diggers.