Donald Trump has repeatedly talked about his plans for a ‘Golden Dome’ defence system to protect America. However, the project faces several challenges, including the cost, the technical know-how ...

Professor Michael Clarke, Sky News' security and defence analyst, has been answering your questions again. Watch below and ...

UN aid enter Gaza; two staff members of the Israeli Embassy were killed in Washington; the latest on the GOP tax bill; Defense Sec. Pete Hegseth accepts a jet ...