The Biden administration on Tuesday imposed new trade restrictions on five Chinese companies for allegedly aiding in Beijing's repression of the Uyghur Muslim minority group.
Two NASA astronauts were set to embark on a spacewalk on Thursday to replace a faulty antenna on the International Space Station (ISS), after a 48-hour delay prompted by an orbital debris alert later deemed to be of no concern.
The chief of Britain's foreign spy service warned on Tuesday that the West's adversaries such as China and Russia were racing to master artificial intelligence in a way which could revolutionise geopolitics over the next decade.