Cheng Li-wun is the Kuomintang's first sitting leader to visit China in a decade.
The Artemis crew will return to Earth on 10 April after a 10-day mission that took them around the Moon.
The platforms have grown in popularity, with some users making bets on global events.
The US president accused Iran of "doing a very poor job" with the waterway as Israel and Lebanon to begin peace talks.
The UK's largest bird charity has issued new guidance advising people to stop using feeders to help wildlife thrive.
The scheme, to fast-track cases and to cut the court backlog, is being expanded in England and Wales.