The United States unveiled sanctions Friday against six of Crimea's breakaway leaders, including the official who signed the deal with Moscow to split the peninsula from Ukraine.
Masked gunmen have shot dead an Islamic teacher after bursting into his home in Russia's Dagestan, in the latest such killing in the volatile region, investigators said.
A Russian cargo ship has successfully docked with the International Space Station Thursday, bringing the crew crucial supplies and water, Russia's space agency said.
Russia declined to provide the FBI with information about one of the Boston marathon bombing suspects two years before the attack, The New York Times reported.
Yelena, an openly gay teacher in Crimea who is raising four children with her partner, fears she could lose her family and her job now that her home has been taken over by Russia.
Iran and world powers kicked off a new round of nuclear talks Tuesday hoping to make enough progress to move up a gear and start drafting a historic final deal next month.
Ukraine was threatened with disintegration Monday as pro-Kremlin militants seized government buildings in the eastern city of Donetsk, declared independence and vowed to vote on joining Russia.
Former US president George W. Bush said relations with Vladimir Putin grew "increasingly tense" during his White House years, as he unveiled his portraits of world leaders, including the Russian head of state.
Chairman of Russia's Gazprom Alexei Miller on Saturday said that Ukraine must pay back the full discount it has been granted on Russian gas over the past four years, worth $11.4 billion.
Russia on Friday launched a criminal investigation into breaches of hygiene at a cheese factory after footage of bare-chested workers bathing in vats of milk went viral on the Internet.
The Russian foreign ministry on Thursday issued a complaint to the German ambassador after a German minister reportedly drew parallels between Moscow's annexation of Crimea and Hitler's actions in 1938.
Moscow on Wednesday threatened retaliatory action against US diplomats after US bank JP Morgan blocked a transfer of funds carried out by a Russian envoy.
The founder of Russia's top social network VKontakte, Pavel Durov, on Wednesday said he has resigned as chief executive in a bitter conflict with a major shareholder, a dramatic announcement some initially saw as an April Fool's joke.
The appearance of rambling letters said to have been written by Uzbekistan's once all-powerful first daughter Gulnara Karimova has heightened the mystery over her astonishing fall from grace in the ex-Soviet state.
Ukraine reported a gradual withdrawal of Russian troops from its border that may be linked to Washington's latest push for a diplomatic solution to the worst East-West standoff since the Cold War.
Russian energy giant Gazprom on Tuesday announced it was raising the price of gas exports to Ukraine by more than a third, scrapping a previous discount amid mounting strains between the two countries.