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

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

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 ...

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

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

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 ...

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

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

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

Decades ago, astronomers estimated that “ordinary” matter (basically everything that isn’t dark matter or dark energy) makes ...