All news on the topic: North American Aerospace Defense Command

Like many origin stories, NORAD's mission to track Santa every Christmas Eve began by complete accident back in 1955 - find out how the festive tradition really got started

A huge sonic boom heard in Washington DC, Maryland and Virginia on Sunday was caused after an F-16 jet was scrambled in response to a rogue Cessna Citation jet that wasn't responding to radio signalling

Florida businessman John Rumpel's daughter and two-year-old granddaughter were on board the private jet, alongside the toddler's nanny and pilot

Dr Patrick Bury, Senior Lecturer in Security at the University of Bath, and a former NATO analyst and Captain in the Royal Irish Regiment, answers the key questions on the escalating situation

The renewed interest comes as four UFOs were shot down over US and Canadian airspace just days after a Chinese "spy balloon" flew over the country before being shot down over the sea