US secretary of state John Kerry in Vienna with foreign ministers Philip Hammond of the UK, Sergei Lavrov of Russia, Javad Zarif of Iran, Frank- Walter Steinmeier of Germany, Laurent Fabius of France and EU envoy Catherine Ashton and Chinese foreign minister Wang Yi. Photograph: Joe Klamar/Reuters

Iran and six world powers failed on Monday for a second time this year to resolve their 12-year dispute over Tehran’s nuclear ambitions, and gave them(...)

An Islamic State militant uses announces to residents of Taqba city that Tabqa air base has fallen to his group. Photograph: Reuters

Senior Republicans yesterday called for expanded air strikes against Islamic State militants in Iraq and for the first time in Syria, to destroy th(...)

A bill currently being debated by the US Senate would compel internet sellers making over $1 million a year to pay a sales tax for every(...)