Two new mysterious craters were found in Siberia, and geologists say they may have been caused by climate change.
NATO's secretary general called on Moscow to "preserve the viability of the INF Treaty," a pact signed in 1987.
New European sanctions on Russia could cause the Kremlin to retaliate and cut off natural gas to Europe, according to analysts.
Announcing the sanctions, President Obama said that Russia was "isolating itself from the international community."
With new penalties targeting key sectors, Moscow's projected growth is estimated to be "near zero."
The embargo is one of a slate of economic sanctions on Russia by the European Union and United States announced this week.
BP said that to date, sanctions had not had a significant effect on its business in Russia.
President Barack Obama spoke with several leaders in the European Union to discuss fresh sanctions against Russia.
The U.S. is seeking high-level talks to preserve a treaty banning medium-range missiles.
Igor Strelkov, a former war reenactor, is leading the separatist movement in Ukraine.
Don't expect to see the Tizen-powered Samsung Z smartphone released in 2014.
MH17's flight data recorder will undergo further examination by experts. Meanwhile, investigators couldn't get closer to the crash site.
Rocket fire reportedly set the Horlivka railway terminal as well as a state-run energy facility on fire.
The claim in the Hague was made by subsidiaries of Gibraltar-based Group Menatep.
Russia denies violations and says U.S. intelligence is relying too much on social media.
Russia lost contact with the Foton-M4 satellite on Thursday.
Tougher sanctions against Russia are necessary, no matter their effect on the economy, German Finance Minister Wolfgang Schaeuble says.
An international team of investigators arrived at the MH17 crash site on Saturday.
Russia's Navy is rehearsing for its annual Navy Day in Crimea, sans its former partner Ukraine.
Russia is arming pro-Russia rebels with tanks, armored vehicles and other high-powered weapons, according to U.S. officials.
Separatist leader Igor Strelkov, a main suspect in the downing of MH17, was allegedly involved in the 1992 Serbian ethnic cleansing of Muslims.
New photos have emerged from the MH17 crash site that show an empty field of wreckage — deserted by monitors and pro-Russia separatists.