Ailing Cuban revolutionary leader Fidel Castro made a surprise appearance in Havana Sunday to vote in parliamentary polls, expressing confidence in the revolution despite a decades-long US trade embargo.
An Iraq war veteran believed to be suffering from post-traumatic stress disorder has been charged with killing a former Navy SEAL whose exploits in the same conflict were detailed in a best-selling book.
South Korea and the United States launched a joint naval exercise involving a US nuclear submarine Monday, as tensions rise on the Korean peninsula ahead of an expected nuclear test by North Korea.
Twitter said Friday it was hammered by a "sophisticated" cyber attack similar to those that recently hit major Western news outlets, and that the passwords of about 250,000 users were stolen.
The man who oversaw the raid that killed Osama bin Laden, ex-CIA director Leon Panetta, vouched Friday for "Zero Dark Thirty," calling it a "good movie".
US medical specialists from Johns Hopkins University in Baltimore have figured out how owls can almost fully rotate their heads - by as much as 270 degrees in either direction.
The United States will have to keep up an open-ended drone war against Al-Qaeda militants in Pakistan and elsewhere to prevent another terror attack on America.
A senior Cuban official lashed out at President Barack Obama on Friday for linking improved human rights in the country to better diplomatic ties, and suggesting the communist island had outdated policies.
The Wall Street Journal reported Friday that in his coming book, Google chairman Eric Schmidt brands China an Internet menace that sanctions cyber crime for economic and political gain.
Zoetis, pharmaceutical giant Pfizer's animal-health division, made a dramatic debut on Wall Street Friday as the biggest initial public offering since Facebook.
The US and Russia meet in Germany Saturday in a new bid to iron out their differences over the war in Syria, with the head of the opposition saying the world must not be a bystander to the tragedy.
Outgoing Secretary of State Hillary Clinton warned Thursday that the United States remains very concerned about the future of women in Afghanistan as US troops prepare to leave the country.
The archbishop of Los Angeles stripped his predecessor of all church duties Thursday as he released files on more than 100 clerics, as required under a 2007 lawsuit deal over alleged sex abuse.
More than 12,500 people have petitioned US President Barack Obama to help Hong Kong avoid a baby formula shortage, saying infants in the city are facing malnutrition due to mainland Chinese "smugglers".
The Wall Street Journal said Thursday its computers had been hit by Chinese hackers, becoming the latest US media organization to report an effort to spy on its journalists covering China.
Facebook on Thursday began letting social network members in the United States send friends gift cards for purchases at participating shops or restaurants.
A Russian rocket carrying a US telecommunications satellite plunged into the Pacific Ocean on Friday only moments after being launched from a mobile sea platform.