The US and China are facing off at the United Nations over control of Afghanistan policy and aid, with the outcome likely to set the tone for relations between the two giants at the global body, ...

The first return volley in a new trade clash between China and the United States was fired on Monday as Beijing’s tariffs on nearly $14 billion in US imports came into effect.

A war between superpowers would be devastating ... the resulting structural stress makes a violent clash the rule, not the exception’ Graham Allison, political scientist, coined the Thucydides ...