State-controlled Gazprom said Europe will continue to receive gas supplies.
Talks with Russia crumbled on Friday, forcing Ukraine to begin preparing for a natural gas shutoff.
"It's business as usual" between Russian oil companies and Exxon, its CEO said.
China's 30-year deal is an economic boost to the diplomatically isolated Kremlin.
Israel didn’t want to worsen tensions with the United States, Haaretz reported Wednesday.
Ukrainian pop star Ruslana Lyzhychko called on President Obama to show "courage" to end the Russian...
Lawmakers in the House want to spend at least $220 million developing an alternative.
Obama said the U.S. would be in a "stronger position" to deter Russia if the world unites.
The administration is sending a team of experts to help Ukraine resolve its immediate and long-term...
Senate Republicans are pressing for a long-term energy plan in Europe to break Russia's energy...
The legislation would expedite natural gas exports to U.S. allies.
"No nation should use energy to stymie a people's aspirations," Kerry said.
The two countries failed to reach a deal on gas prices.
Russia is giving Ukraine another week before it will start demanding prepayment for gas.If Ukraine...
Ukraine is $3.5 billion in debt to Russia for natural gas deliveries.
China is set to sign a multibillion-dollar deal to buy Russian gas.
The three sides agreed to meet twice in May to discuss natural gas supplies.
Russian President Putin said he may reconsider participation of U.S. companies in Russia's energy...
The CEO of Rosneft, one of the world's largest publicly-traded oil firms, is among those targeted...
Sanctions expected to have significant economic ramifications on Russian companies.
An official said such a move would hurt the Kremlin's image as a supplier.
The price of crude oil fluctuated on Monday around $104 a barrel amid tensions in Ukraine.
Ukraine said it will not honor Russia's price increase on natural gas.
Gazprom, Russia's energy company, increased Ukraine's natural-gas bill by 44 percent.