Sao Paulo, Brazil (CNN) -- Brazilian authorities say they have begun transferring inmates from a prison in the southern city of Cascavel after riots inside turned deadly -- with two inmates decapitated and two thrown off the roof of a cell block. Prisoners ...

Kiev, Ukraine (CNN) -- The world must unite to show Russia its disapproval of its actions in Ukraine, U.S. President Barack Obama said Sunday. Rather than going with sanctions alone and making it a United States vs. Russia issue, "it's important for us to ...

(CNN) -- On Monday, news broke that about 200 girls had been kidnapped from their school in Chibok, in the northeastern state of Borno -- a region at the center of Nigeria's five-year terrorist insurgency. The very next day, the Nigerian military announced that ...

(CNN) -- On Monday, news broke that about 200 girls had been kidnapped from their school in Chibok, in the northeastern state of Borno -- a region at the center of Nigeria's five-year terrorist insurgency. The very next day, the Nigerian military announced that ...

(CNN) -- Syria has destroyed a majority of its chemical weapons material, the Organisation for the Prohibition of Chemical Weapons said Saturday. "The Syrian Arab Republic has removed or destroyed in-country approximately 80 percent of its chemical ...

(CNN) -- Here's a look at what you need to know about the Masters, one of golf's four major tournaments, along with the U.S. Open, the British Open and the PGA Championship. It is held annually at the Augusta National Golf Club in Augusta, Georgia.

London (CNN) -- British Prime Minister David Cameron has ordered an investigation of the Muslim Brotherhood over concerns about its alleged links to violent extremism, his Downing Street office said Tuesday. Cameron has commissioned an internal ...

(CNN) -- Two thirds of the world population does not have Internet access. Facebook already has more than a billion users on its service, but before it can sign up the rest of world it needs to get them online. The social media company announced a new step ...

(CNN) -- Today is a landmark anniversary for Tim Berners-Lee. In March 1989 he wrote a proposal to his employers at CERN for a somewhat abstract "global hypertext" system he called Mesh. A year later he re-named that system the World Wide Web.

(CNN) -- At least four militants believed to be wearing suicide vests took over a city council building in the Iraqi city of Samarra on Tuesday and are fighting with security forces, police said. Police gave this account: The attack started with a suicide car bomber ...

(CNN) -- Venus Williams probably wishes she could play more in Dubai. The seven-time grand slam winner claimed her first tennis title in two years and her biggest since Dubai in 2010 after defeating France's Alize Cornet 63 60 on Saturday. Williams has ...