Since the attacks, New York officials are working with new, complex technology to find traces of more than 1,000 victims.

Analysts question if the US president's election year offer is workable, legal or affordable.

The US president covered many of the subjects he has returned to time and again - with a few surprises thrown in.

The new models can travel at speeds of up to 300mph, faster than Ukraine's air defence interceptors.

AI agents went on an uncontrolled hacking spree, leaving some in the industry worried

The BBC's North America editor Sarah Smith breaks down the main takeaways from the first-ever Republican convention held in the middle of a US presidential term.