Donald Trump says Russia isn't to blame for MH17, despite evidence

Donald Trump doesn't believe there is enough evidence to blame pro-Russian separatists for last year's downing of a commercial airliner over Ukraine -- despite the fact that the U.S. intelligence community believes "with confidence" that pro-Russian separatists shot it down.

Democratic debate: 6 takeaways from Las Vegas

It was a victorious comeback for Hillary Clinton, a front-runner who has been on the downswing. The former secretary of state and first lady, who once came within a few cracks of shattering the glass ceiling to win a major party's presidential nomination, stepped on to a debate stage once more Tuesday night.

Officials: U.S. and Russia close to agreement on Syria flights

The United States and Russia are in the process of finalizing a memorandum of understanding regarding safety over Syrian airspace, a U.S. official told CNN Wednesday.

Iran broadcasts images of underground missile facilities

Iran broadcast images Wednesday of underground missile facilities and launchers, the country's semi-official FARS news agency reported.

Hillary Clinton exudes confidence on debate stage

Hillary Clinton swept confidently into the campaign season's first Democratic presidential debate on Tuesday, denying she flip-flopped on key issues for political gain and rebuking her top rival Bernie Sanders for not being tough enough on guns.

U.S. and Russian aircraft come within visual range over Syria

Two Russian and two U.S. aircraft came within visual range of each other -- separated by just 10 to 20 miles -- over Syria Saturday, according to the anti-ISIS coalition.

MH17: Ukraine had reason to close airspace before crash, investigators say

Ukrainian authorities had "sufficient reason" to close the airspace over conflict-stricken eastern Ukraine before the downing of Malaysia Airlines Flight 17, according to the findings of a Dutch investigation into the crash.

China expected to post worst growth since 2009

Gross domestic product is estimated to have grown by 6.7% in the third quarter, compared to the same period last year, based on the survey's median estimate.

U.S., Russia escalate involvement in Syria

Russian President Vladimir Putin said Tuesday his country's involvement in Syria is helping protect the world.

Turkey bombings: ISIS focus of investigation, Prime Minister says

Though no group has claimed responsibility for the deadly weekend bombings in Ankara, the focus of the investigation is the Islamic extremist group ISIS, Turkey's Prime Minister said Monday.