Is there anything that could go rescue them?
No.
The only Sci-fi workable solution is that they somehow park in a orbit near enough to the ISS so the astronaut can simply exit Artemis and do a space walk to enter the ISS, then be rescued from there.
But, as said, this scenario work only in Sci-fi movies







In recent years it seems that vasecomy reversal it getting better and better; it could be not that far in the future when the vasectory would not be considered permanent.