Startling new details emerge of the most mysterious of Siberia's newly created giant permafrost holes.

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

Worried about the rapid destruction of permafrost from global warming? Here's how you can counter it by restoring the woolly mammoth habitat.

Scientists now to examine if ancient man beheaded the beast.

Exclusive footage of pioneering work by Russian and South Korean scientists finding oldest blood ever discovered from deep in the Ice Age.

Call to protect unique site with thousands of ideally preserved bones of prehistoric animals.

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

200 metres wide thermocirque seen weeks after scientists find funnel in the Yamal peninsula, caused by build up of methane.

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.