“After opening the Progress spacecraft’s hatch, the Roscosmos cosmonauts noticed an unexpected odor and observed small droplets, prompting the crew to close the Poisk hatch to the rest of the ...

Not only would this be the first time anyone who wasn’t a professional astronaut would be opening the hatch of their spacecraft and venturing outside, but it would also be the first real-world ...

After opening the hatch, the Polaris Dawn crew became the first four astronauts to be exposed to the vacuum of space at the same time, the company said in a statement. Over approximately twenty ...