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

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

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

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

Another clue about the whereabouts of the missing matter in the Universe has just emerged from amid the largest local cosmic ...

There's been a lot of discussion over the years about what the universe is made up of. While some argue that dark matter is ...

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

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 ...

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

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

A new landmark study has pinpointed the location of the universe's "missing" matter, and detected the most distant fast radio ...

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a ...