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In the earliest epochs, a dense fog of neutral hydrogen filled all of space, absorbing light and preventing it from traveling freely. This fog’s gradual clearing — the Epoch of Reionization — is one of cosmic history’s most important transitions, thought to have completed only after 500 million yea…

In the earliest epochs, a dense fog of neutral hydrogen filled all of space, absorbing light and preventing it from traveling freely. This fog’s gradual clearing — the Epoch of Reionization — is one of cosmic history’s most important transitions, thought to have completed only after 500 million years. But MoM-z14 appears to be clearing its surroundings far earlier. Its intense radiation is carving a vast bubble of ionized space through the primordial darkness. This galaxy isn’t just existing wit