US and allies begin air strikes in Syria

Washington and Arab ‘partner nation forces’ attack Isis

Q&A: US tax inversions

Measures will make it harder for companies to cut their taxes

US in sweeping tax inversions crackdown

Only fresh deals affected by new Treasury rules

Arab Bank liable for terror financing

Jordanian lender provided services to Hamas before attacks in Israel

Interactive graphic: Meet the Feds

Amid turnover, it is unclear what policies US central bank will adopt next

Banks hope for ballot blow to Dodd-Frank

A Republican Senate is expected to revisit financial reforms

An illustration of the Nasa satellie Maven on the sunrise side of Planet Mars

Nasa spacecraft reaches orbit around Mars

Maven to study how red planet lost its water

China outstrips EU and US on emissions

Latest pollution figures emerge as thousands march in protest

Europe groups fear US tax crackdown

Multinationals have same structure as inverters

US gas exports to hit Gazprom revenue

US think-tank says Russian group to lose 18 per cent of revenue

The short-sighted US buyback boom

US urges EU to do more to aid economy

Midterm shootout at the Dodd-Frank corral

John Dizard mulls the possibilities if the ingenuity wasted on DC dealmaking were redirected

Californian town runs out of water

Kentucky town backs Obama’s return to Iraq

In and around Fort Campbell a readiness for battle pervades

American football increases in violence

Advertisers wonder about associating their goods with the game

ExIm Bank reprieve in funding bundle

Package includes assistance for Syrian rebels

Yellen charts smooth course to normality

Fed chief right to say that turn in rate cycle will be data driven

Obama’s isolation deepens over Isis

President faces disquiet from the military and his own party

Investors shun US inflation bonds

Stronger dollar negates need for insurance against rising prices