In this video, we explore the concept of the Cosmic Coincidence and its implications for the existence of God. The discussion ...

A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its ...

While there's no shortage of mysteries surrounding the formation of the universe, scientists may have figured out the answer ...

The Universe would've expanded into oblivion or recollapsed almost immediately, never forming stars or galaxies, unless the initial expansion rate and the initial energy density were perfectly ...

For decades, scientists suspected this ion played a critical role in cooling the early cosmos, helping the first gas clouds ...

At that point, the universe is mostly hydrogen gas, and some helium and dark matter. And then, using what we know of the laws of physics, our best guess, we then run the cosmic history for roughly ...

Alex Wong / Getty Images Take the age of the universe. A century ago, we could say only that the universe was very old. There was no way to find a precise number.

A team of astronomers says it has identified the most distant black hole ever confirmed — a cosmic heavyweight that formed ...

A Universe whose fluctuations were adiabatic, or of equal entropy everywhere. A Universe where the spectrum of fluctuations was just slightly less than having a scale invariant (ns < 1) nature.