Discover the best dark sky preserves for autumn stargazing, from Utah’s canyons to Pennsylvania’s forests, perfect for meteor showers and cosmic wonder.

Very early dark energy (vEDE) may have accelerated the universe’s expansion just 380,000 years after the Big Bang, new ...

A new theoretical study proposes that light from distant galaxies could be slightly shifted in color by interactions with ...

"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 ...

For the first time, astronomers have detected dark matter hanging from massive filaments that stretch across the universe and form a "cosmic web" that trap galaxies like morning dew on a spiderweb.

Dark matter makes up about 85 percent of all matter in the universe. It neither emits nor absorbs light, making it invisible ...

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 ...

These dark matter cycles would have quickly died out, but first would have affected the beginning of "cosmic dawn" when the first ordinary matter galaxies formed from primordial gas that was drawn ...

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 ...

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...