It has taken seven years (or 57, depending on how you count), but now it is official: one of NASA's Apollo-era rocket movers is the heaviest self-powered vehicle in the world. Guinness World Records ...

KENNEDY SPACE CENTER — It is an iconic machine whose work has spanned nearly the entire history of NASA. And without it, the Saturn V rocket and space shuttle launches would not have been possible.

'To have a Guinness Worlds Records title is icing on the cake for an extraordinary piece of equipment.' It has taken seven years (or 57, depending on how you count), but now it is official: one of ...