Visitors to Space Center Houston have walked past a Skylab training model storage locker during trips to the museum for years. Little did they know there were still items in it that hadn't seen the ...

Get unlimited access to ad-free articles and exclusive content. Space.com Before the International Space Station existed, before U.S. astronauts shared space on Russia's space station Mir, America's ...

Space stations, big metal tubes in low-Earth orbit pressurized to roughly the same atmospheric pressure you'd find on sea level so a bunch of squishy, fragile meat sacks can conduct science ...