From Gaza to Trump, the challenges mount. But at its general assembly this week, the organisation remains the last hope for many people across the world

The secretary general of the UN has failed to have any impact on Ukraine and Gaza – and some of his big calls have frustrated member states

Fed governor Lisa Cook is suing the president for trying to fire her. His move is one of the most serious threats to the Reserve in 74 years

A house speaker killed, a state senator shot, bomb threats and online harassment – a growing hostility is redefining US politics

Crew left to drift off Mozambique by firm registered in the UK are latest in rising number abandoned at sea

The UN Ocean Conference concluded without consensus on deep-sea mining, bottom trawling, marine-protected areas and other critical issues