Appearance is one thing, but reality is another. The world does not appear to be a hologram, but maybe it is. Thus begins ...

In quantum cosmology, we treat the universe as a single, closed quantum system, so any initial or final state must be viewed as a component of the fundamental probability assignment.

I've long been fascinated by the fundamental mystery of our universe's origin. In my work, I explore an alternative to the traditional singularity-based models of cosmology. Instead of a universe ...

Loop quantum cosmology predicts several leading-order quantum effects. One of these effects is that space–time, at the quantum level, is discrete: there are quanta of geometry just as there are quanta ...

There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe. If true, it could explain the nature of dark matter and much more ...

The goal of quantum cosmology is to devise and apply a quantum theory of gravity to the en­­tire universe. Quantum cosmology is not for the faint of heart.

During these brief moments, quantum effects ruled the cosmos. “Jim really devoted the rest of his life to understanding this quantum description of the universe. And he became known as the father of ...

A new theory of quantum gravity, which attempts to unite quantum physics with Einstein's relativity, could help solve the puzzle of the universe's expansion, a theoretical paper suggests.

The universe may have been born out of nothing, with an "anti-universe" twin where time runs in the opposite direction—rather than exploding from an infinitely small and dense point, or ...

By the ’80s Hartle had turned to cosmology, gaining a deep fascination with quantum mechanics shortly after the big bang, when the universe was small, hot and dense.