Physicists are quietly testing an audacious idea: that the mass of everything around us might not come from an invisible ...

Physicists have spent decades treating mass as something the universe simply hands to particles, a property encoded in ...

Physicists are exploring whether hidden dimensions and the shape of space could help explain why fundamental particles have ...

Some string theorists predict at least 10 dimensions, most of which humans can’t perceive. | Andriy Onufriyenko/Moment/Getty Images Ask someone to name every ...

When someone mentions "different dimensions," we tend to think of things like parallel universes – alternate realities that exist parallel to our own, but where things work or happened differently.

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 ...

Mathematicians, freed in their imaginations from physical constraints, can conjure up descriptions of objects in many more dimensions than that. Points in a plane can be described with pairs of ...