In other words, these galaxies offer a rare glimpse of the universe in its infancy and an exciting opportunity for ...

While the “Epoch of Reionization” sounds like the title of a sci-fi novel destined for a Hugo award, this very real era of ...

Several ground-based instruments, such as the hydrogen epoch of reionization array, hope to observe the reionization era by the end of this decade. But probing the first stars, at much earlier times, ...

NASA’s SPHEREx mission has successfully communicated with Earth, marking the start of an ambitious journey to map the cosmos.

Reionization was an era of major transition that occurred more than 13 billion years ago. It was when the baby universe transformed from a neutral state to one filled with free electrons and protons.