US & Canada
Nasa satellite images show the extent of the Gulf of Mexico oil slick on 19 June, two months after the explosion on the Deepwater Horizon rig.
Millions of barrels of oil have spilled into the ocean from the leaking well since the disaster on 20 April.
Deadly tornado rips through OklahomaAt least one person is killed and several others are injured after a tornado roared through the city of Tulsa in the US state of Oklahoma.
Tuesday's devastating attacks in Brussels show IS's European network is still at large, despite a year of intensive efforts by security forces to close it down.
Scientists are debating whether it's possible to harness the power of gravity for interstellar space travel.
The four-year-old boy who has become the centre of a controversy between India and Pakistan - and between his father and mother.
Why, almost 60 years after he first appeared in the Daily Mirror, is a layabout lout from north-east England still so loved around the world?
