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 ...

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

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

Scientists estimate that ordinary matter makes up only about 15% of all matter, but have long struggled to document where all ...

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

Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, the thread could contain some of the universe's 'missing' matter, addressing ...

anything other than dark matter – makes up about 15% of all matter. But half of it has long been missing. Powerful bursts of radio waves emanating from 69 locations in the cosmos have helped ...

Scientists previously had determined the total amount of ordinary matter using a calculation involving light observed that ...

A new study used deep-space radio signals to locate the universe’s missing baryonic matter—most of it hiding in plain sight.