Private astronauts are not 'space tourists' (op-ed)

Astronaut Mark Vande Hei and Cosmonaut Pyotr Dubrov had their mission on the ISS extended to a year in the light of space tourists arriving with Soyuz MS-19 in October.

SpaceX Inspiration4 mission will send 4 people with minimal training into orbit — and bring space tourism closer to reality

NASA astronaut gets extended stay in space for record-breaking 353-day mission