Why Russia is pressing the 'accelerate' pedal in Syria

Two weeks after they started, Russian airstrikes in Syria are ratcheting up -- and are being closely coordinated with regime ground forces as they try to seize rebel-held territory. According to many observers of the Syrian conflict, the next month will be critical, politically and militarily.

Iran broadcasts rare images of underground missile bases

At first glance it looks like the set of a James Bond movie -- a seemingly impregnable mountain base packed full of uniformed men and sinister-looking missiles on their launch vehicles parked along a long tunnel buried deep underground.

Trump, Carson threaten to boycott next GOP debate

Republican front-runners Donald Trump and Ben Carson are threatening to pull out of the next Republican primary debate if the hosts don't agree to their demands.

Hacker who allegedly passed U.S. military data to ISIS arrested in Malaysia

Authorities have arrested a Malaysia-based hacker who they accuse of stealing personal information of U.S. military members and giving it to ISIS.

Israeli-Palestinian violence: What you need to know

Over the past few weeks, violence in the decades long Israeli-Palestinian conflict has flared up. Bloodshed is not unusual in this part of the Middle East but this particular wave of aggression -- stabbings as well as a shooting and driving into crowds -- is very different from rocket attacks or the orchestrated suicide bombings of the past.

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.