The mystery of a genetic flaw which greatly increases the risk of obesity in one in six people has been solved by an international group of scientists.

Ports and airports are put on alert by police hunting a double killer wanted in connection with a fatal stabbing.

In a virtual world adults in a child-like body start to perceive the world more like a child, a new study shows.

A Liberal Democrat review of alternatives to a direct replacement of the UK's submarine-based Trident nuclear deterrent is to be published later.

More British bankers earned more than one million euros each in 2011 than the rest of the European Union put together, according to the European Banking Authority.

Chelsea's Eden Hazard says Manchester United striker Wayne Rooney would be a "brilliant signing" for the London club.

Nick Clegg announces a review of job and training options for 16 to 24-year-olds, aimed at tackling stubbornly high unemployment in the age group.

The BBC announces plans to launch five new high definition channels by early 2014.