200 metres wide thermocirque seen weeks after scientists find funnel in the Yamal peninsula, caused by build up of methane.
The first picture of how a stylish 'ancient Egyptian' necklace was discovered in the heart of Siberia.
Forests on the march thanks to global warming, says new research by Krasnoyarsk Science Centre.
Russian scientists deny theory of respected Italian team by 'proving' that the remote blue lake is older than the famous 1908.
The Okhotsk Sea quake registered 8.3 on the Richter Scale at a depth of 600km, and prompted a tsunami warning.
Soul-stirring images of eruption on the Klyuchevskaya Sopka caught by extreme travellers at altitude of 2,850 metres (9,350 ft).
Most northerly palaeolithic site found on Arctic island of Stolbovoy, part of lost continental link between Siberia and Alaska, believe scientists.
Experts undertake pioneering tests on skulls to finally understand how doctors carried out remarkable operations more than 2,300 years ago.
Bulging bumps in the Yamal and Gydan peninsulas believed to be caused by thawing permafrost releasing methane.
The unique artifact was made by humans more than 19,000 years ago.