Leland Melvin claims he came across the object - which NASA said was a piece of ice - while he was working on the Space Shuttle Atlantis A NASA astronaut has claimed he once saw an “alien-like, ...

NASA clarified that the alien object was actually a purple potato. (Image: X/@ISS) The purple object on ISS was a potato grown in microgravity. Tentacle-like shape came from roots spreading in all ...