International researchers have gleaned these extraordinary hidden scientific secrets by drilling 318 metres into a unique lake in northeastern Siberia.

Summer flooding will worsen dramatically, and the Arctic could be ice-free in summer by 2034.

Rusting Sherman dating from WW2 airlifted all the way across Russia for use in major military parade.

Subsidence from old coal mine a possible cause of latest mystery hole.

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

Both Greenpeace and the World Wildlife Fund are expressing grave concern at the risk of contamination in the Pechora Sea.

Average temperatures in the north of the Kara and Barents seas were 4C to 5C higher than previous years.

'The contract in current market parameters is absolutely unprecedented', Putin told investors at the annual Saint Petersburg International Economic Forum.

Key move to revive Far Eastern economy and compete with Macau and Busan.

Russian ecologist says his undercover trip shows Arctic ecosystem is irreversibly damaged, as whistleblower in ecological watchdog quits and leaves town.