A paper published in 2024 theorizes that time may have existed before the Big Bang, but we're still not entirely sure.

Most people assume that the Big Bang was the beginning of all things, but current scientific models point to another cosmic origin.

Cosmic inflation is a faster-than-light expansion of the universe that spawned many others. Inflation was invented to explain a couple of features of the universe that are really hard to explain ...

It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first place.

LOS ANGELES — Before there was light, there was cosmic inflation. Before life, planet Earth, the first galaxies — and even before the violent explosion of hot dense primordial stuff scientists ...

Primordial nucleosynthesis after embryonic inflation, the subject of Chapter 6, yields spatially varying abundances of elements, including heavy elements in all the densest cosmic regions. The theory ...

quantum mechanics and our cosmic origins. Inflation and the Multiverse Finally, let me address an issue I’ve so far carefully avoided, one that’s as wondrous as it is speculative. A possible ...