10 February 2023
The US has recovered the wreckage of a Chinese surveillance balloon after shooting it down with a fighter jet last week – here's what has been discovered and what it might mean
6 February 2023
A Chinese balloon that was travelling over the US, including over military sites, was shot down by a fighter jet on 4 February
6 June 2022
A supercomputer called Frontier has been officially crowned as the world's first exascale computer – one capable of a billion billion operations per second – but more powerful machines may be out there
21 September 2021
A quantum computer made by researchers in China has outperformed classical computers, achieving what is known as quantum supremacy with a more complex quantum processor than ever before
9 September 2021
China has drafted powerful new legislation that would control how businesses use data to target advertising, curate social media feeds and recommend content
21 April 2021
A statistical analysis of air pollution data gathered in Chinese cities between 2015 and 2017 has shown that discrepancies between official data and readings taken at US embassies are probably due to data being altered
