Polar bears  in the Novaya Zemlya archipelago, located in the Arctic Ocean, North of Russia. Photograph:  The Siberian Times

Russia is battling an unprecedented invasion of polar bears on a remote Arctic archipelago that is home to the country’s most northerly military base.(...)

Visitors walk through Red Square in Moscow, Russia. Russian carmakers and electronic retailers warned on Thursday that currency woes would force them to increase prices. Photograph: Andrey Rudakov/Bloomberg

Kremlin-controlled television moved swiftly to reassure viewers after Donald Trump warned Russia to prepare for a US missile strike on its ally Syria (...)

Russian president Vladimir Putin: “If the terrorists again raise their heads, we will deal such blows to them they have never seen,” he said in remarks carried by Russian news agencies.  Photograph: Sergei Karpukhin/Reuters

Russia’s president, Vladimir Putin, made a surprise visit to Syria on Monday and ordered the Russian military to begin a partial withdrawal from the w(...)

Venezuela’s president Nicolás Maduro said last week he expected to travel to Russia. Photograph: Miraflores Palace  via Reuters

As the US gradually tightens financial restrictions on Venezuela’s increasingly authoritarian government, Russia is eyeing an opportunity to extend it(...)

Russian ground staff members check on a Sukhoi Su-30 fighter jet at the Hmeymim air base near Latakia, Syria. US fighter aircraft and a Russian fighter aircraft conducted a communications test over south-central Syria to validate safety protocols agreed between the two countries. Photograph: Ministry of Defence of the Russian Federation/Reuters

Russia does not see keeping Bashar al-Assad in power as a matter of principle, the country’s foreign ministry said on Tuesday. The statement suggests (...)

Sonya Kovalevskaya (1850-1891). Editor of Acta Mathematica, the first woman on the board of a scientific journal

In the 19th century it was extremely difficult for a woman to achieve distinction in the academic sphere and virtually impossible in the field of math(...)