Looking ahead to the next 25 years of private space stations

Humans have occupied low Earth orbit (LEO) over the past half century thanks to the Salyut, Skylab, Mir and Tiangong programs and, of course, the International Space Station (ISS). Aside from providing incredible views of Earth, these space stations have proved that humans can live and work in space while bringing unique lessons about microgravity and the cosmos. They have taught us about the challenges of living in microgravity and the fragility of life beyond our planetary cradle. More

(Source: Space.com - Jul 19)