In a hypertorus model of the Universe, motion in a straight line will return you to your original location, even in an uncurved (flat) spacetime. The Universe could also be closed and positively ...

Florida physicist has suggested that two of the biggest mysteries in particle physics and astrophysics — the existence of extra time and space dimensions and the composition of an invisible cosmic ...

A new underground facility called DUNE, which will accelerate particles for 800 miles between Illinois and South Dakota, could reveal the hidden dimensions of the universe, new research suggests. When ...

the speed of light holds up under extremely tight scrutiny, a finding that rules out certain theories predicting extra dimensions and a “frothy” fabric of space.

We tend not to dwell on the fact that we exist in three dimensions. Forwards-back, left-right, up-down; these are the axes on which we navigate the world. When we try to imagine something else, it ...

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