Former secretary of state Hillary Clinton was never questioned by investigators looking into the attack on the US mission in Libya that claimed the life of the US ambassador.
South Korean President Park Geun-Hye personally apologised Monday for an "unsavoury" incident during her US summit visit that led to the dismissal of her chief spokesman.
US police have arrested a 12-year-old boy for the murder of his eight-year-old sister, in a case that attracted national media attention and prompted an intense manhunt.
Separate studies of the human genome have found tantalising clues to the inherited causes of testicular cancer and non-inherited causes of congenital heart disease.
South Korea and a US strike force led by the nuclear-powered aircraft carrier USS Nimitz kicked off Monday a joint naval drill slammed by North Korea as a "wanton" provocation and rehearsal for war.
Guantanamo officials have warned detainees at the widely reviled US prison that they will have to be patted down thoroughly each time they meet their lawyers.
Former Guatemalan dictator Efrain Rios Montt was found guilty of genocide and war crimes Friday in a landmark ruling stemming from massacres of indigenous people in his country's long civil war.
The G7 top economies are set for a second day of talks aimed at spurring growth amid US-Europe divisions over the scale of austerity and renewed market focus on "currency wars".
A battle for US computer giant Dell heated up Friday as corporate raider Carl Icahn and other investors made a new offer and called a planned buyout led by company founder Michael Dell a "giveaway."
The ISS crew were preparing for an emergency spacewalk to fix a "very serious" leak of ammonia from the orbiting laboratory's power system seeping into space.
The level of carbon dioxide in the atmosphere has surpassed 400 parts per million for the first time in human history, US monitors announced Friday, sparking new calls for action to scale back greenhouse gases.
Virtual blueprints for the world's first 3D printable handgun found a safe harbor Friday at file-sharing website The Pirate Bay, dodging a US government attempt to pull them off the Internet.
Finance ministers and central bank chiefs from the Group of Seven leading economies will meet in the English countryside on Friday for talks on spurring growth, amid US-Europe divisions over the scale of austerity.
The opening this month of the first life-sized Barbie Dreamhouse in Europe may be the fantasy of many a little girl, but Berlin feminists are mobilising against what they call a sexist icon.