France canceled the delivery of the two Mistral ships in November because of the Ukraine conflict.
Facebook banned several prominent Russian journalists and bloggers for using a slur for Ukrainians, leading many to delete their accounts.
The U.S. wants NATO allies to commit 2 percent of their GDP on defense to combat Russia, which is seen as the biggest threat to U.S. security by Air Force Secretary Deborah James.
President Obama voiced strong hopes for the negotiations and called for a solution that allows Greece to continue to use the euro.
The presence of the Russian bombers off the West Coast is deemed threatening amid increasing tensions between Moscow and Washington.
Former New York Gov. George Pataki launched a "Stand Up to Trump" petition drive aimed at his 2016 rival.
The Defense Department said "the United States, together with our allies, remains committed to supporting Ukraine in its effort to define its own course as a sovereign, democratic nation."
The two countries will join forces to test Moscow's advanced S-400 missile defense system.
A U.K. newspaper claims intelligence agents were pulled from operations in “hostile countries” because of fears they could be identified through files leaked by Edward Snowden.
Pope Francis was the second world leader Putin kept waiting for an hour on Wednesday.
Leaders of the breakaway regions of eastern Ukraine now say they could be content with special autonomous status.
Ties between Russia and China are "a key factor for stability, security, [and] the establishment of polycentric world," a top Russian politician said.
The White House has once again said it will not sanction lethal aid, despite increased fighting in the region and calls from Congress.
The Russian leader would prefer that both regions remain part of Ukraine rather than join Russia.
The Hedgehog-2015 drills involve eight NATO nations, including the United States, United Kingdom, Germany and Poland.
With a looming Iran nuclear deal deadline, a ceasefire in Ukraine barely holding and Syria in ruins, smiles and handshakes go a long way.
A meeting in Sochi, Russia, between the two officials is the U.S. envoy's first trip to the country since the annexation of Crimea.
So-called prime minister of the self-proclaimed Donetsk People's Republic says one of two aid workers is "CIA agent" but offers no proof.
The exercise comes amid heightened regional tensions with Russia.
If all goes according to plan, Russia will have a completely revamped military and cybersecurity infrastructure by 2022.
The United States has so far declined to provide weapons to Ukraine, a move that advocates say could help end the conflict.
Russia invited 68 world leaders to attend what is expected to be a spectacular Victory Day parade on May 9, but only 30 are expected to attend.