Imagine a universe where you could point a spaceship in one direction and eventually return to where you started. If our universe were a finite donut, then such movements would be possible and ...

You think the universe is 3D? That’s cute. Physicists say reality might stretch across 11 dimensions — and we’re only seeing ...

String theory is elegant in a number of ways: it accounts for both quantum mechanics and general relativity, it may have the potential to describe the elementary particles that make up matter and ...

Did the early universe have just one spatial dimension? That’s the mind-boggling concept at the heart of a theory that UB physicist Dejan Stojkovic and colleagues proposed in 2010. They suggested that ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A technician stands Inside one of the protoDUNE detectors during its construction at CERN. Could ...

Physicists who work with a concept called string theory envision our universe as an eerie place with at least nine spatial dimensions, six of them hidden from us, perhaps curled up in some way so they ...

Since the 1990s, some physicists have suggested our reality is like a 3D projection of a two-dimensional universe. Now one team says it has evidence to support the wild idea. Eric Mack has been a CNET ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like a bit of froth on the crest of an ocean wave, our observable universe may be nothing more ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you were asked to describe how you can move through the Universe, ...

In our universe there is a big problem with gravity. It is far weaker than the other fundamental forces and scientists cannot explain why. One proposal is that its energy is leaking into other, ...