Shares of GoPro fall as much as 28% in after-hours trading after the wearable camera maker announces revenue forecasts below expectations.

Theresa May refuses to reveal the kinds of personal data being accessed by Britain's security services, in evidence to a committee of peers and MPs.

A software problem with smart thermostat Nest has angered users and left them with cold houses.

After a European court rules that the rights of a man whose employer read his private messages were not violated, companies are warned not to go too far.

A large military drone that can carry loads of up to 500kg will be tested later this year to see if it can fly itself between trees without crashing.