Pete Hegseth, the controversial defence secretary, is on a week-long trip to Germany, Brussels and Poland. As well as exercising with US troops, he will also attend his first NATO meeting later this ...

Donald Trump announced on Monday night he is imposing heavy levies on foreign steel and aluminium 'without exceptions or exemptions'.

Elon Musk and Sam Altman founded OpenAI to ensure "artificial general intelligence benefits all of humanity". A decade later, the pair are battling it out over AI.