The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a ...

Another theory held that the forces between two particles falls off exponentially in direct relationship to the distance between two particles and that the factor by which it drops is not dependent on ...

A cluster of recent theoretical papers has laid out mathematical frameworks for propelling spacecraft at speeds ranging from ...

New theoretical research suggests that a mysterious form of matter called "unparticles" could be the driving force behind the expansion of the universe. When you purchase through links on our site, we ...

The Leinweber Foundation donated $18 million to the Berkeley Center for Theoretical Physics, renaming it to the Leinweber Institute for Theoretical Physics. The total donation of $90 million is shared ...