Possible 'explosion' at time of Tyva Republic helicopter crash, say experts, as mourning period expected for up to 14 people killed.

Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.

Revamped airfields on target in key Siberian locations as military is boosted in energy-rich region.

Thousands of hectares of land ablaze with no signs of a let-up.

Fresh water supply crisis looms in parts of Siberia as critics accuse hydroelectric firm of 'excessive drainage' from lake.

Warnings of worse rain for the rest of the week came on Wednesday as evacuation of 30 settlements was planned by the authorities.

City of 180,000 is just 26 km from ‘waking’ Avachinsky on Pacific’s ring of fire.

An earthquake in the vicinity of the Russian Far Eastern city of Petropavlovsk-Kamchatsky can be expected in the coming days, say scientists.