If you’re struggling to wrap your head around the idea of further dimensions, this scientist’s garden-hose analogy may help.

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 ...

For the first time, physicists have built a two-dimensional experimental system that allows them to study the physical properties of materials theorized to exist only in four-dimensional space. An ...

It’s been two years since scientists discovered evidence of gravitational waves. Now, they’re figuring out what we can do with them. Recently, they found a huge, early contender: Using them to unveil ...