Google and Samsung sign a global patent cross-licensing agreement aimed at "reducing the potential for litigation" and enhancing innovation.

A 3D printer than can make objects using different colours and materials is being launched at SolidWorks World in San Diego, California.

Google buys UK start-up DeepMind for a reported $400m (£242m), making the artificial intelligence firm its largest European acquisition so far.

Fugitive US leaker Edward Snowden alleges that the National Security Agency engaged in industrial espionage, in an interview with German TV.

Social network Baidu - known as "China's Google" - tracks the mass movement of people out of the country's cities for Chinese New Year.

China's Jade Rabbit Moon rover is in trouble after experiencing a "mechanical control abnormality", state media report.

Science Correspondent Kenneth Macdonald reports on the model that looks like a giant sugar cube but holds the key to a hidden world beneath our feet.

Israeli defence computers were compromised via a malicious email attachment, an Israeli computer security firm has revealed.