Almost 1,300 bones of 13 species of mammals unearthed at new site on Gydan peninsula aged between 10,000 and 50,000 years old.
Earth is moving as 'leaking methane gas due to global warming causes surface to bubble' in a new phenomenon.
An expedition to one of Eurasia's northernmost caves unlocks secrets that might help explain the extinction of mammoths.
Bulging bumps in the Yamal and Gydan peninsulas believed to be caused by thawing permafrost releasing methane.
And take part in scientific experiment to PROVE that the leaking of harmful greenhouse gases in the Arctic can be slowed.
Scientists split after expedition to see the '100 million year old reptile' in Yamal.