Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

Astrophysicists say our universe might be shaped like a three-dimensional donut, meaning you could point a spaceship in one direction and eventually return to where you started.

A trillion years ago, our universe didn’t exist, at least not in any recognizable form. According to the Big Bang theory, everything we know today once existed in a single, infinitely dense point ...

Using a sophisticated type of mathematics, scientists have uncovered a universe of multi-dimensional geometrical structures and spaces within the networks of the brain. This research has ...

Life Could Exist in a Two Dimensional Universe, Scientist Argues. Published Jun 26, 2019 at 12:30 PM EDT Updated Jun 26, 2019 at 12:34 PM EDT. By .

When you throw something into a black hole, its information seems to disappear. This may be a hint that black holes, as well as our entire universe, is 2-dimensional.

That is to say, we truly live in a four-dimensional universe. Space and time alone cease to exist; only the union of those dimensions remains. This is what physicists give a single word: spacetime.