Calls for 'federalisation' are a threat to country's 'constitutional order, territorial integrity and sovereignty'.

Dmitry Medvedev promises economic and military development of territory disputed since the end of World War Two.

Plans to develop Russky Island as 'a model advanced development area'.

Misha and Masha transported from one side of Russia to the other to their new home.

Today the Asia Pacific is a vital center of economic development and progressive political influence.

RusHydro, RosGeologiya and Transneft 'to rebase from Moscow to the Far East'.

At least five species of ancient animals will walk again in Siberia, predicts South Korean cloning expert.

Scientists say a 'fountain of gas' poured from jelly-like trembling earth in tundra on Belyy Island in northern Siberia.

Challenge to polar doom warning from respected international expert Professor Peter Wadhams of Cambridge University.