"It depends on which country you go to, but pretty much yes." He looks at what Xelloss is pointing at. "That would be an astronaut. Humans who have special training to travel into space and they are wearing a space suit so that they can breathe in space. For some reason, only humans aren't able to breathe in space, at least here. That might not be the case with other worlds."

Tails is not lying either. That's just how weird the universe in Tails' (and Metal Sonic's) world really is.