Spain's Princess Cristina testifies for the first time at her trial for alleged tax fraud, answering only the questions posed by her own lawyer.

Presidential contender Donald Trump has come under attack at a Republican debate, hours after being hammered by the party's leadership.

Two police officers have been killed by a car bomb attack by Kurdish militants in south-eastern Turkey, officials say.

The Hubble Space Telescope spies a galaxy that existed more than 13 billion years ago, very close to the dawn of star formation.

Allegations of sexual abuse against UN peacekeepers rose by a third last year, a new UN report says

Two of the four Italian workers kidnapped in Libya have been freed, a local military official says, a day after two others were possibly killed.

Zeid Ra'ad Al Hussein, high commissioner for human rights at the United Nations, warns that a "Pandora's box" will be opened if Apple co-operates with the FBI by unlocking a killer's phone.

Whitney Houston's daughter Bobbi Kristina Brown died as a result of immersion in water and drug intoxication, medical records show.