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 ...

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

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

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

For decades, scientists have been searching for the universe's elusive "missing matter," and now they say they finally found ...

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

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 ...

Astronomers have uncovered a colossal, searing-hot filament of gas linking four galaxy clusters in the Shapley Supercluster a ...