Many questions remain unanswered in wake of deadly attack in Ottawa, but new information suggests suspect may have reached out to terror groups
CBS News' Debora Patta on witnessing the fear and loneliness that the Ebola virus has inflicted upon thousands in West Africa
CBS News Homeland Security Correspondent Bob Orr talks with CBS News Senior National Security Analyst Juan Zarate about the international Ebola crisis
Meanwhile, the U.S. and its coalition partners have ramped up their airstrikes
Ibn Zubayr, a young Somali-American who is a fighter for Jabhat al Nusra, warns Americans to expect attacks on U.S. soil
Police are facing charges of excessive force
CBS News Homeland Security Correspondent Bob Orr talks with CBS News Senior National Security Analyst Juan Zarate about the role the United States will have to play to defeat Islamic militants in Iraq and Syria
Antique American cars are a vital part of Havana's tourism industry
Composite images of archival and present-day photographs of historic D-Day locations
President Erdogan confirms agreement to let limited number of reinforcements join fight for Syrian border town
After annoying Communist gov't, sax star admits he doesn't "really know anything" about the protests in Hong Kong
Government officials say former police officer Kevin Vickers fatally shot the gunman who had killed a soldier and stormed Parliament
Officials say wind caused one of the bundles to blow off course, allowing the militants to take it
Judge calls British man accused of stealing $64,000 "a very accomplished and determined actor"
After a soldier was shot nearby, Canadian law enforcement engage in a shootout inside Canada's Parliament building, and the incident was caught on tape
The spate of shootings in Canada's capital has had a major ripple effect in Canada and the U.S.
"Canada will never be intimidated," Prime Minister Stephen Harper vows after gunman kills soldier, storms Parliament building in Ottawa
Military said Boko Haram rebels had agreed cease-fire, but violence continues and still no trace of 219 kidnapped schoolgirls
Top Red Cross official gives time frame for containing outbreak that has killed more than 4,500 people since it emerged
Most schools used as shelters during militants' summer offensive reopen, but thousands of Iraqi kids still can't attend classes
Assad regime claims to have targeted jets reportedly stolen and test-flown by extremists in Syria
Amid push for leaders to be referred to global court for human rights violations, regime surprises U.N. diplomats with coffee invites
As U.S. tightens defenses against Ebola, Rwanda implements its own measures for passengers from affected nations
Teenager, now a prisoner, says he was given anti-anxiety drug and forced to fight for Islamic militants.