The official indicates the airstrikes may have harmed the Islamic State group less than other rebel organizations in Syria.
The infiltration adds to the more than 1,300 airspace violations that happened last year around the Greek islands in the Aegean Sea.
Then president, he warned Tony Blair the country spelled trouble years before the British leader joined the 2003 invasion.
Spain and Belgium are taking over the North Atlantic Treaty Organization’s policing this week and will likely see more Russian aircraft interceptions.
With over 9,000 dead, Ukraine is again calling for the United Nations to send a peacekeeping force to the Donbass region.
The Japanese leader has been trying to improve relations with Moscow, but the latter's involvement in several international crises has caused delays.
After Russia banned food from Ukraine, Kiev responded to Moscow with a similar measure of its own.
Attacks, rather than technical difficulties or weather problems, were responsible for more aviation deaths than any other factor in 2015.
A new national-security assessment is a sign of how relations between Russia and the West have worsened in recent years.
The Russian finance ministry said Thursday that Kiev failed to pay off its debt before a Dec. 31 deadline.
On the last day of 2015, the Kremlin listed former Soviet republics and extremist groups as posing possible security concerns in the new year.
Kremlin officials have not responded to Ukraine's allegations that Russian hackers knocked out electricity in the country.
Turkish citizen Alparslan Celik said in an interview that he participated in the killing of Oleg Peshkov, one of the pilots of a Russian jet shot down by Turkey last month.
John Wayne's daughter recently penned a letter in support of the Republican presidential front-runner.
The leaders of Ukraine, Russia, France and Germany agreed to extend a peace deal into 2016 in the hopes of ending the conflict in Eastern Ukraine.
Russia has long been an Olympic power, but after a recent scandal, its athletes might not get a chance to compete in Brazil.
Suspects in the murder of Russian politician Boris Nemtsov were indicted Tuesday, but the court refused to categorize the murder as one against a public official.
Vnesheconombank, crippled by Western sanctions, is reportedly used by President Vladimir Putin to fund pet projects.
The new year is likely to be a continuation of 2015, with further economic restrictions between Russia and Ukraine as Kiev looks toward the EU.
Moscow has called for the U.S. to back down with troops and weapons in Eastern Europe even as ceasefire violations continue in Eastern Ukraine.
The functions and responsibilities of the agency will now be transferred to the Roscosmos state corporation, which was established earlier this year.
Relations between Russia and Turkey strained after Ankara shot down Russia's Su-24M jet fighter late last month accusing Moscow of violating Turkish airspace.