Scientists propose seven-dimensional universe model where black holes leave tiny remnants that preserve information and could ...

For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only a sliver of reality. Extra dimensions, if they exist, would not just be a ...

Stephen Hawking's theory of black hole evaporation clashes with the laws of quantum mechanics. A new paper finds a way around this paradox, provided that the universe has seven dimensions.

Physicists who work with a concept called string theory envision our universe as an eerie place with at least nine spatial dimensions, six of them hidden from us, perhaps curled up in some way so they ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective ...

In addition to the four dimensions we normally experience - height, length, depth, and time - physicists argue that there are ...

One of the weirdest theories in cosmology is the holographic principle, the idea that our universe is a three-dimensional image projected off a two-dimensional surface — the idea that, yes, we are ...

The part of the Universe we can observe appears perfectly flat: this implies, among other things, that going straight ahead infinitely, one would never return to their starting point. The idea of a ...

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And while we haven't found any evidence yet for anything outside our normal ...