The government is to explore the role that digital currencies such as Bitcoin could play in the financial system and whether they need to be regulated.
A Russian group hacks 1.2 billion usernames and passwords belonging to more than 500 million email addresses, in what is being described as the "largest data breach" ever.
US President Barack Obama reveals that US companies are planning $14bn of investment in Africa at the inaugural US-Africa Leaders' Summit.
The new suicide squads striking northern Nigeria
Are the two cities' £1 homes schemes a success?
Why have humans been stricken with a dread of comets?
Why do toymaker's female figures provoke controversy?
The Hip Hop artists who rap ghostwritten rhymes
A man who rescued JFK in the Pacific in WW2 dies aged 93
A spike in searches for Bitcoins can be a good predictor of an imminent crash in its value, suggests research.
Play helps boost children's language development, problem solving, risk management and independent learning skills, a study reaffirms.
Fourteen people were injured, three of them seriously, in a traffic accident involving two double-decker tour buses in Times Square in New York.
US investment in Africa is fighting extremism, bringing stability and improving Africans' lives, US Secretary of State John Kerry tells the BBC.
Stroke care needs to be centralised in large specialist units in a radical shake-up of hospitals, experts say.
An analysis suggests taking a small dose of aspirin every day can prevent deaths from bowel, stomach and oesophageal cancers.
France says it will speed up a delivery of weapons to Lebanon, as clashes between the army and Syrian rebels continue despite a temporary truce.
Epic battles over Star Trek and a cute polar bear
David Cameron must do more to persuade Israel to lift restrictions on the movements of Palestinians, MPs say.
An advert featuring a syringe and needle and the words "the weekly fix" is criticised by the advertising watchdog.
The number of shoppers on Scotland's high streets during the Commonwealth Games was up by 13.8% on the same period last year, figures show.