A Telescope in the Desert Reached Back a Billion Years and Uncovered Something Incredible

October 24, 2025

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1 min read

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Yahoo News Canada

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ignition of the first stars.

Here’s what you’ll learn when you read this story: About one billion years after the Big Bang, the universe experienced a period known as the "epoch of reionization" where the neutral hydrogen atoms that filled the universe became ionized from the UV... [3938 chars]

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Source: Yahoo News Canada

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