Western nations have expressed increasing apprehension at Russia’s increased military activity since the Kremlin ordered the annexation of Crimea in March 2014.
Moscow said the two men were not affiliated with the Russian army, although one of them admitted on tape that he was conducting espionage.
The two nations remain divided on the amount of compensation Russia will receive, as well as when the payment will occur.
Ramzan Kadyrov, one of Russia's most powerful figures, voiced his opinion on social media site Instagram.
The Hedgehog-2015 drills involve eight NATO nations, including the United States, United Kingdom, Germany and Poland.
The U.S. secretary of state traveled to Turkey, where NATO ministers also were to discuss instability in Syria and Iraq.
A Russian teen allegedly posted a pro-Nazi message to social media and could face steep consequences.
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.
The murdered politician's final report outlines Russia's involvement in Ukraine and its toll in lives and money.
The Ukrainian parliament, the Rada, passed the first reading of a bill Tuesday that would allow foreigners to serve in the country's armed forces.
One day after the German chancellor, the head of U.S. diplomacy talks Ukraine (and more) with Putin.
After Xi Jinping's visit to Russia, Moscow has accepted China's invitation to Russian troops to march at a Victory Day parade on Sept. 3.
Not unlike Sovietologists in decades past, military analysts will be looking at Moscow's massive Victory Day parade to observe what Russia is up to.
Behind a "Victory Day" show of strength lie economic problems that threaten President Vladimir Putin's hopes of upgrading his fighting force.
Russia's newest and most advanced tank broke down during Moscow's Victory Day parade rehearsals.
As President Xi Jinping prepares for Friday's visit to Russia, a new online video shows ordinary Chinese citizens hailing two "very strong" leaders.
UKIP founder Alan Sked condemned the party's rightward shift, accusing it of abandoning its anti-bureaucracy ideals.
"It’s worth recalling that NATO’s basic task is to protect the security of residents on the territory of the alliance members."
Sens. John McCain and Kelly Ayotte have shielded their pet warplane from cuts before. This time they have a big ace up their sleeve.
Maya Plisetskaya, revered as one of the greatest ballerinas of the 20th century, died on Saturday of a "severe heart attack."
The conflict has killed more than 6,000 people on both sides in recent months and displaced a million residents.