Geraint Lewis receives funding from Australian Research Council. Is our universe all there is, or could there be more? Is our universe just one of a countless multitude, all together in an ...

Up until 80 years ago the astronomical community was embroiled in an argument about our place in the universe. On one side was the perennial idea that we were all there was — that our galaxy was a ...

The concept of a multiverse has been around for decades--other versions of our reality that represent the different decisions we could make, and the countless variables of our world. In recent years, ...