Same phenomenon of discharge of gas hydrates 'led to crater formation in Russia and disappearance of ships in Atlantic'.
Satellites show giant hole ringed by 20 'baby craters'.
Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.
Remarkable images show a test tube blood sample from a female of the long-extinct species.
Intrigue over how German-made 12th century blade, adorned in Sweden, reached Siberia.
Moscow's top diplomat stresses importance of the country's Asian face.
Until now, it was believed no form of life could exist on the Red planet.
PM Medvedev was ordered to 'reprimand' Regional Development Minister Oleg Govorun for the slow pace of proposals to boost the east of the country.