Could technology make train tracks a thing of the past?

Battling machines are still a long way off, say experts

Mobile service provider China Mobile is ranked as China's most valuable brand for a second year, a survey says.

Works by scientist Sir Isaac Newton are made available to the public as part of Cambridge University's digital library project.

A team of physicists have adapted a 195-year-old design to create a laser-driven heat engine that can be seen only under a microscope.

Google has photographed the aftermath of the Japanese tsunami, allowing users to compare towns before and after the disaster in March.

Hackers recently attacked key US infrastructure systems in three cities, including sewage and power works, the FBI admits.

European regulators delay a ruling on whether Google can buy handset maker Motorola Mobility. Lawyers say patent concerns may be the cause.