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Researchers, in a recent Physical Review Letters paper, introduce a new mechanism that may finally allow ultralight dark photons to be considered serious candidates for dark matter, with promising ...

The first hydrogen to form absorbed light from the first stars in the universe. Eventually, the universe filled up with stars and galaxies that reionized this hydrogen, allowing photons to travel ...

"Cosmic dawn has been a missing chapter in our understanding of the universe." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Observing the ...