Conventional thinking goes that the Big Bang was the beginning of everything – matter, dark matter, space, energy, all of it.

Extrapolating this cosmic expansion backwards in time using the known laws of physics, the theory describes an increasingly concentrated cosmos preceded by a singularity in which space and time lose ...

What is the universe expanding into if it’s already infinite? The universe expands by itself, not into any external space, ...

Space and time appear at the Big Bang singularity, so questions of what happens "before" the Big Bang are not well defined.

Stephen Hawking’s 1966 doctoral thesis, Properties of Expanding Universes, represents a cornerstone in the field of cosmology ...

since the existence of a Big Bang singularity with infinite density and infinite spacetime curvature seems unrealistic. Instead, the universe would have some small size after inflation ...

“Thanks to Einstein, we know that time and space are intertwined and, since the dawn of time in the singularity of the Big Bang, the universe has been expanding,” he added. “This expansion ...

Upcoming studies into cosmic microwave background (CMB) radiation, such as CMB-S4, could put the idea of warm inflation and ...

Our current understanding of the universe is based on the Big Bang model. The model proposes that approximately 13.8 billion years ago, the universe came into existence as a singularity and ...