Everything started with the Big Bang. Most astrophysicists agree that the force generated by the Big Bang continues to push stars, planets, and galaxies apart from each other as our universe expands.

Cosmological expansion is widely treated as a proven fact. It is not proven. For nearly a century, cosmology has told a ...

Physicists have proposed a new model of space-time based on string theory to explain dark energy. Their hypothesis suggests that, at extremely small scales, space and time behave differently from how ...