The theorized unseen structure of spacetime could also explain of the outstanding questions about the accelerating expansion ...

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Could the vast universe in which we live actually be the interior of a black hole within a larger universe? The idea, which ...

As theoretical physics delves deeper into the fundamental nature of reality, we’re left to grapple with the questions it leaves us. For example, some physicists claim that our universe is merely an ...

The idea that a hidden fourth dimension could be woven into everyday reality is no longer just a science‑fiction trope. Leading theorists now argue that extra dimensions are not only compatible with ...

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 ...

According to the theory, our reality is encoded on the boundary of a black hole within a much larger universe.

One of the weirdest theories in cosmology is the holographic principle, the idea that our universe is a three-dimensional image projected off a two-dimensional surface — the idea that, yes, we are ...

Physicists wonder if our universe contains hidden extra dimensions. These dimensions could explain why gravity is so weak. They might be curled up so tightly we cannot see them. High-energy particles ...

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 ...