The Role of Ionized Hydrogen in the Universe The ionized hydrogen ... The newly found hydrogen gas is part of this filamentary structure stretching across the universe, too diffuse and cold ...

A new study by 75 scientists across institutions around the world suggests that this missing matter is actually ionized hydrogen gas surrounding galaxies, which stretches much further than we thought.

If, as the new study suggests, the ionized hydrogen halo around galaxies is ... This could provide insight into the large-scale structure of the universe and the laws of physics in the early ...

The missing matter has been hiding out as invisible ionized hydrogen gas, which forms halos around galaxies far larger and more frequently than earlier estimations, according to a report in a physics ...

For decades, astronomers were certain that half of the ordinary matter in the universe — protons and neutrons, the building ...

In the space around galaxies, it lurks as huge, invisible clouds of ionized hydrogen. Normally, this would be impossible to see – but a large international team of astronomers and astrophysicists has ...

In the space around galaxies, it lurks as huge, invisible clouds of ionized hydrogen. Scientists have finally located the long-sought missing half of the Universe's visible matter, discovering it ...

The blue shades in the background come from ionized oxygen, while the red colors at the bottom of the image are from hydrogen. However, the dark structure seen here won’t last forever ...