The Big Bang describes the origin of the universe as an extremely dense, hot singularity. This tiny point suddenly went through a rapid expansion called inflation, where every place in the ...

The Big Bang Theory stands as the most widely accepted explanation for the origin of the universe. According to this theory, the universe began as an infinitely small, hot, and dense point ...

A new model suggests that the universe ... between a hot dense state and the sort of universe we see around us today. "This ...

So far, it's been found that neutrinos date back to 13.8 billion years ago, when the universe expanded from a single, tiny point with extremely high temperature and density. Scientists have ...