Spacetime isn’t something that exists; it’s a model for describing how events happen. Treating events as objects creates ...

The block universe concept suggests the past, present, and future coexist like a four-dimensional cube, with our sense of time flowing possibly being an illusion of entropy.

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

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 ...