Designing a space station is taking a little longer than Vast expected, but the company is still moving at a breakneck pace.

MARTA is restricting access to the Brookhaven station this fall when construction crews replace the 40-year-old pavers on the ...

Several other space companies have plans to construct their own space stations as well, including Northrop Grumman, Axiom Space, Nanoracks and Sierra Space. NASA needs at least one of them on orbit ...