The US military lost contact with an unmanned hypersonic aircraft shortly after it was launched atop a rocket in California, defence officials say.

Scotland's biggest video games festival is to open in Dundee later - the first time it has been held in the city.

An "electronic tattoo" could herald a revolution in medicine and even computer gaming, say US scientists.

An investigation by Chinese authorities has uncovered more lookalike Apple stores in the city of Kunming.