Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, ...

The multiverse theory supposes that an infinite number of worlds exist along different paths in time which arise out of each passing moment, suggesting that different things happen in each universe.

Dr. Sam Toney's upcoming novel Revelation Equation merges authentic scientific principles with fiction storytelling, blending real physics ...

— What is multiverse theory? — How real is the multiverse? — What is an attosecond — and why did this year's Nobel Prize in physics depend upon them?

The strength of dark energy in our universe is not optimized for forming stars, which means other universes might have a greater likelihood of producing life.