Get the latest Science News and Discoveries

What came before the big bang?

Physicists cannot access anything that existed before the start of time and space, but they have theories

None

Related news:

Webb reveals five-galaxy merger just 800 million years after the Big Bang, it helps explain a growing mismatch between what astronomers’ models predict and what JWST is actually observing

The James Webb Space Telescope has topped itself once again, delivering on its promise to push the boundaries of the observable Universe closer to cosmic dawn with the confirmation of bright galaxy MoM-z14, that existed 280 million years after the Big Bang

NASA Webb Pushes Boundaries of Observable Universe Closer to Big Bang

« Astronomers are monitoring an asteroid that could impact the Moon.

The quirky geology behind Olympic curling stones »