Though Goodluck Jonathan held off former military ruler Buhari in 2011, he's more vulnerable this time around
Simmering voter discontent with incumbent Jonathan may open door to Muhammadu Buhari, a former military chief
Country's Ebola infection rate has reached zero, prompting government to open borders with neighbors, who are still fighting disease
No negotiations with rebels seeking autonomy, says Bamako, leaving UN-brokered peace process in limbo
Among dead are at least 17 tourists from Poland, Italy, Germany and Spain, along with 2 security forces killed during rescue operation
Government faces major challenge as Islamists expand reach in divided country - moving westward to Sirte
House Speaker, Republican John Boehner, tweets 'heartfelt congratulations; Democrat Nancy Pelosi says she accepts results, expects continued lively debate on peace process
Researchers say more funding needed for widespread and sustained control efforts
Army says militants have been pushed out of all but three local government districts in northeast Nigeria
The app, called PhotoMath, uses smartphone cameras to scan mathematical equations and return results within seconds
With more than 90 percent of precincts reporting, Likud was set to win 30 seats compared to the 24 seats for main challenger the Zionist Union
Domin Kari