MUNICH, Germany — Every year, Santa Claus races around the globe in a matter of hours to bring presents to children all over the world. This is how countless films and stories describe it - but ...

This is how countless films and stories describe it — but scientists have always enjoyed calculating why this is actually impossible. Now, a physicist in Germany says Christmas does not have to be ...

Santa Claus is therefore in all houses at the same time. Delivery, according to the rules of quantum theory, makes it impossible for Santa Claus to ever be seen, Tolan writes. A sighting would ...