The aforementioned models of the cosmos, including the standard model of cosmology, have long posited the idea that the ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast ...

Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, ...

Learn how scientists found the universe's missing matter hiding in a massive cosmic filament stretching 23.5 million light-years between galaxy clusters.

Much of the universe's regular "baryonic" matter is spread through intergalactic space and in diffuse halos around galaxies, ...

"Fast radio bursts shine through the fog of the intergalactic medium, and by precisely measuring how the light slows down, we ...

Bright flashes of enigmatic radio waves have helped illuminate some of the missing matter in the universe, astronomers say in ...

This image shows the new filament, which connects four galaxy clusters: two on one end, two on the other. These clusters are visible as bright spots at the bottom and top of the filament (four white ...

Finding the missing baryons isn't just an exercise in building an address book or taking a census. Their distribution holds the key to unlocking deep mysteries about how galaxies form, how matter ...

With the help of powerful bursts of radio waves emanating from 69 locations in the cosmos, researchers now have found the "missing" matter. Sign up here. It was hiding primarily as thinly ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. But the rest of the ...