US president's comments come after he warns Tehran residents to leave 'immediately'.

The violence in Khan Younis adds to a string of attacks that have killed hundreds of desperate people seeking food.

Ugandan soldiers said they 'occupied' two DRC towns as the Rwandan-backed M23 continues to hold territory elsewhere.

A spook for over a quarter of a century, Metreweli was 'Q' at the spy agency. Now she'll be known as 'C'. Here's why.

The NPT bars members that don't have nuclear weapons from acquiring them. But critics call the treaty discriminatory.