To astronomers in the 1990s, these three facts were self-evident: The universe is expanding; all the matter in the universe ...

The first issue of The New History of the DC Universe hits comic book shops on June 25, 2025. This article first appeared on Nerdist and was syndicated with permission.

Press Release History Of Temperature Changes In The Universe Revealed by SpaceRef November 16, 2020 ...

But when you get into the details of calculating how fast the Universe was expanding at different times in its history, scientists have difficulty getting theoretical models to match observations.