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.
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.
The UN secretary general said Friday that Russian President Vladimir Putin assured him he had no intention of orchestrating further incursions into Ukrainian territory.
A Russian spacecraft carrying a three-man Russian and US crew on Friday docked successfully at the International Space Station after an unprecedented two-day delay caused by a technical hitch.
The IMF announced a $14-$18 billion bailout for Ukraine on Thursday as the UN General Assembly refused to recognise Russia's annexation of the Crimea peninsula.
Lights will go off in some 7,000 cities around the world for this weekend's Earth Hour event, which will aim to raise hundreds of thousands of dollars for environmental projects worldwide.
A little-known Chinese firm hopes to set up a facility to assemble regional jets made by Russia's Sukhoi in a multi-billion-dollar deal, state media reported.
President Barack Obama pays his first visit ever to European Union headquarters, cementing US-EU opposition to the takeover of Crimea after hitting out at Russian expansionism as a "sign of weakness".
Russia imported 571.7 thousand tons of wheat via railway from Kazakhstan from July 1, 2013 to February 28, 2014 that is 35.8% more than last agricultural year.