Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that ...

"We don't know the frequency, so we need to keep tuning and trying different ones, like searching for a good radio station ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion ...

The detection of dark matter, the elusive type of matter predicted to make up most of the universe's mass, is a long-standing ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

The axion quasiparticle forms when the interaction between the electric field and magnetization oscillates in a specific ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

In the vast universe, galaxies rotate in ways that don’t make sense if only visible matter is considered. For almost a ...

But in a new study, published in Physical Review Letters, we show that both could be linked to one of the most elusive ingredients in the universe: dark matter. In particular, we propose that a ...