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 ...

The original version of this story appeared in Quanta Magazine. When it comes to understanding the fabric of the universe, most of what scientists think exists is consigned to a dark, murky domain.

For more than a century, scientists have been fascinated by the possibility that hidden, minuscule spatial dimensions could be influencing the physics of our familiar three-dimensional world. Despite ...

A groundbreaking discovery in the realm of physics has scientists abuzz with the potential confirmation of a portal to other dimensions. While the concept feels like science fiction, recent findings ...

Up to now, humans have only been able to observe four dimensions in the universe – height, length, width and time. But beyond these dimensions, collectively known as 'spacetime', there may be more ...

It can be tempting to assume that your intuitions about three-dimensional space carry over to higher-dimensional realms. After all, adding another dimension simply creates a new direction to move ...