In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And ...

Physicists have determined that most of the universe is dark matter -- invisible to us but affecting the universe anyway. Could it exist in another dimension?

When we think creatively, produce novel ideas, or otherwise have “Eureka” moments, we may actually unlock access to a dimension outside of our everyday perception, according to the controversial ...

For more than a century, physicists have suspected that the familiar three dimensions of space might be only a small slice of ...

Here is what Dimension X in "Stranger Things" really is and how it is completely different than The Upside Down.