Scientists rush to site of latest tundra eruption - which formed a crater 50 metres deep - amid fears for homes and key industrial sites.

After a month of warm, dry weather and wildfires, the huge crater nicknamed ‘Mouth of Hell’ is now under direct threat.

Locals hear 'booms from the underworld' in giant ravine but now scientists say it holds secrets of the planet's past.

Shoreline on remote island retreats by 74 metres in seven years due to increased wave power of unfrozen sea, and thawing permafrost.

Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.

Leading expert assesses the risk of 'waking up' this deadly disease currently eradicated, and warns that rising Russian levels of HIV brings a far greater risk.

Earth is moving as 'leaking methane gas due to global warming causes surface to bubble' in a new phenomenon.