Twitter has announced it has filed paperwork with US regulators ahead of a planned stock market flotation, the most hotly anticipated since Facebook's last year.

More must be done to help sepsis patients and save lives, according to a new report from the Health Service Ombudsman.

The Bank of England should use its powers to limit house price increases to 5% a year to "take the froth out" of price booms, a surveyors' group says.

Five "sniffer rats" have been in police training in Rotterdam, Holland, learning how to distinguish between scents - including blood, drugs and explosives.

Ray Dolby, the US engineer who founded Dolby Laboratories and pioneered noise reduction in audio recordings, dies in California aged 80.

Some of the striking landscapes of Ecuador's Galapagos islands can now be explored online on Google Street View.

The Green Party of England and Wales is gathering for its annual conference, with leader Natalie Bennett looking to set out distinctive policies ahead of next year's European elections.

Train passengers are facing unnecessary delays because Network Rail is not doing its job properly, according to a critical report from the regulator.