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 ...

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

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

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 ...

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

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

By tracing powerful radio signals back to  their host galaxies near the beginning of time, astrophysicists have pinpointed ...

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

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