As part of the Mars walk, Ronizi climbed up the cliff wall in conditions similar to those explorers might encounter on the red planet. Ronizi returned to the pressurized airlock of Ares Station ...

To loud applause, the four volunteers left NASA-built Mars Dune Alpha ... The structure also features an outdoor area, separated by an airlock. The space is filled with red sand and is where ...

Related: Could these big expandable habitats help humanity settle the moon and Mars? Then, in March 1965, Soviet cosmonaut Alexei Leonov made use of an inflatable airlock attached to his Voskhod 2 ...