Long ago, when the universe was young, it was much harder to see. During the first billion years or so following the Big Bang, the space between the stars and galaxies was filled with clouds of cooled hydrogen gas, which absorbed all light. As a result, if any intelligent life existed at the time, they would have seen nothing but darkness out in space. No other stars or galaxies would have been visible to them like they are to us.
It would just be pitch black. Dark.

However, things began to shift approximately a billion years after the massive Big Bang.
The cutting-edge James Webb Space Telescope has now provided insights into the evolution of the early universe, which has long remained a mystery.

The new observations have helped pinpoint what sparked the Epoch of Reionization — the period when the opaque universe gradually transitioned to become transparent.

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