These extraordinary pictures give graphic new evidence of climate change.
Russian scientists deny theory of respected Italian team by 'proving' that the remote blue lake is older than the famous 1908.
With Russia on Covid-19 lockdown, 77 houses were burned down in Novosibirsk and Kemerovo regions.
Outspoken account of 'chaos and incompetence' after helicopter went down in Arctic, with 12 dead and 13 injured.