Big Ben, the famous clock tower of the Houses of Parliament in Westminster, London, leans slightly. It tilts 0.26 degrees to the north-west. This was found during plans for the Jubilee Line extension.

A top-secret lab in the UK is developing the country's first quantum clock to help the British military boost intelligence and reconnaissance operations, the defense ministry said Thursday.

Bulletin of the Atomic Scientists says the United States, China and Russia have the prime responsibility to pull the world ...

From Big Ben—the massive, 15-ton bell that sits within the Great Clock of Elizabeth Tower, Westminster—to the gothic facade of the Houses of Parliament, London is awash in iconic buildings ...