What universe do we live in?

Answer 1

Current scientific meaning of the word universe, is that it includes everything. So there is only one universe - The Universe

However the new idea of String Theory is starting to suggest that there may be more than one universe, and so the meaning of the work universe may change in the future. The scientist Brian Greene is one of the leading physicist working on this theory.

Science-teacher

Answer 2

We live in the universe known as the observable universe, which is the vast expanse of space that we can observe through telescopes and other instruments. It is estimated to be about 93 billion light-years in diameter and contains billions of galaxies.