A mysterious odor and "small droplets" greeted cosmonauts on the ISS when they opened the hatch to a newly arrived cargo spacecraft. NASA thinks it knows what happened.

As if they need any more problems, the astronauts on board the International Space Station now have a new noxious odor to deal with. In a statement posted on X-formerly-Twitter, NASA's ISS account noted that when the Russians' Poisk module docked with the rest of the space station,

There was brief cause for concern at the ISS just recently when crew there reported an unexpected odor coming from Russia's recently docked Progress spacecraft.