Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

Nash, L. (2026) On the Size of the Electron in a Quantum Universe. Journal of High Energy Physics, Gravitation and Cosmology, ...

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number of other tiny dots, forms clusters that aggregate into superclusters, ...

The universe is generally referred to as infinite, unknown, and limitless. With over 2 trillion galaxies and millions of stars and planets, the universe is so enormous that it stretches the boundaries ...

A new effort to map the rumblings in spacetime caused by enormous black hole collisions paints a surprisingly loud and lopsided picture of the universe. When you purchase through links on our site, we ...

Is the universe infinite, Aristotle asked in 350 BCE, “or is this an impossibility? The decision … is … all-important to our search for the truth.” The Greek ...

A new JCAP study tests an “emulator” to reconstruct the large-scale structure of the cosmos If you think a galaxy is big, compare it to the size of the Universe: it’s just a tiny dot which, together ...