Staff Report

In dangerous places around the world, where soldiers or police officers may be committing human rights abuses, a mobile phone has become a key weapon.

South Korea's Team Kaist win the $2m prize for the fastest robot at the US Department of Defense's Darpa Robotics Challenge.

The US says it faces a "dedicated adversary" and an "ever evolving threat" to the nation's cyber security, after a major data breach.

Google has unveiled a collection of 40 new "special" street view images as part of its latest update.

The first Steam Machines - an attempt to bring PC gaming to a wider audience - are available to pre-order.

YouTube's new tool for artists reveals some surprising secrets about musicians' international fanbases.

Ambient wi-fi signals have been used by US researchers to power a small surveillance camera.

Security software tycoon John McAfee explains his worries about internet surveillance.

Nichelle Nichols, 82, is reported to be "in good spirits" following a mild stroke at her home in Los Angeles.

Chinese hackers are suspected of carrying out a "massive breach" affecting the personal data of millions of US government workers, officials said.