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

String theory attempts to unify all forces and particles in the universe using vibrating strings. It aims to explain the Standard Model of particle physics, which is incomplete. String theory predicts ...

Could the universe have hidden dimensions we’ve yet to detect? The idea of extra dimensions has intrigued physicists for over ...

Physicists have determined that most of the universe is dark matter -- invisible to us but affecting the universe anyway.

At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...

When we think creatively, produce novel ideas, or otherwise have “Eureka” moments, we may actually unlock access to a ...

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