Solar Impulse 2, a solar-powered plane that will attempt a global flight in 2015, takes to the skies above Switzerland for the first time.

Samsung Electronics launches the world's first smartphone powered by Tizen operating system, seen as an alternative to Google's Android.

US cyber-spies have collected millions of photos of people's faces from the net for use in facial-recognition programmes, according to reports.

Russian authorities say they are restricting the use of bases in its territories which serve the US-owned GPS network.

The co-founder of notorious piracy listings site The Pirate Bay is arrested in Sweden after two years on the run.

People have two weeks to protect themselves from a "powerful computer attack", the UK's National Crime Agency (NCA) has warned.

At its annual conference for software developers in San Francisco, Apple has taken on rivals Dropbox and WhatsApp with a series of upgrades that mimic the apps' services.

A garage owner apologises for staging a scene that looked like a murder in an Edinburgh street, which was caught on Google Street View.