Private habitats, not just the International Space Station, may be needed to get astronauts to Mars: report
NASA aims to put astronauts on the moon in this decade and on the Red Planet in the 2030s. To help make these ambitious goals a reality, the agency is performing lots of research aboard the International Space Station (ISS) — monitoring astronaut health, behavior and performance on year-long orbital missions, for example, to better understand the effects of long-duration spaceflight on the human body and mind.