High-profile Bitcoin backers are seeking to establish a Bitcoin exchange in the US that would be overseen by mainstream financial regulators.
German Chancellor Angela Merkel says she wants Greece to "remain part of our story" ahead of elections that could throw the country's eurozone future into doubt.
Nigeria does not need the help of UN or African Union troops to take on Boko Haram, the country's national security adviser tells the BBC.
Captain Steve Smith makes a composed century to lead Australia to a thrilling three-wicket tri-series win over England.
A key survey of eurozone business activity reached a five month high in January, but firms are cutting prices at their fastest rate in five years.
The BBC's Chris Morris visited the town of Drama in Greece to find out how cafe owner Yiannis Tsakiris is coping with a new business in during the Greek economic crisis
The social network encourages celebrities and other high-profile users to share photos directly to Twitter.
Tobacco companies warn smuggling could rise if the UK removes branding from cigarette packets - when Australia did this the biggest rise was in sales of brands known as "illicit whites".
An Islamist militant shot dead by French commandos after he attacked a Jewish supermarket two weeks ago is buried near Paris.
Coronation Street actress Barbara Knox is banned from driving for a year after admitting a charge of drinking-driving.
Adobe has released an emergency patch for a flaw in its Flash software that was being widely exploited by thieves.
Championship leaders Bristol sign Wales international Gavin Henson from local rivals Bath for next season's campaign.
The BBC's Europe editor Gavin Hewitt says Greek voters will not just be choosing a new government but delivering a verdict on Europe.
The Democratic Republic of Congo senate amends a controversial census bill following four days of violent nationwide protests.
Two police officers who bludgeoned an injured deer to death are removed from firearms duties after being found guilty of gross misconduct.
The various scenarios that could follow a hung parliament
Jellyfish tagging study reveals the creatures' ability to swim against the current, researchers say.
Roger Federer admits he was worried he would struggle in his Australian Open tie with Andreas Seppi, which he lost in four sets.
A paper manufacturer confirms that 120 jobs will go at its Deeside plant.
For some shops, UK retail sales in December may have been hit by Black Friday sales in November, ONS says.