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.

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 ...

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

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

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

Harvard & Smithsonian (CfA) and California Institute of Technology, have made a major breakthrough by locating the "missing" ...

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

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