Why The US And Russia Can Share A Space Station — But China Can't
Laws that ban China from cooperating with NASA stem from concerns over national security and human rights abuses.By Evan Thomas | September 24, 2016
China's astronauts aren't allowed aboard the International Space Station, even though it's one of just three countries that runs its own manned space program.
This is because parts of a 2011 law prohibit NASA from using any of its funds for cooperative projects with China.
SEE MORE: FOR SALE: Gently Used Space Station