Everything we visualize about space, including stars, planets, gases, and even galaxies, make up just a small fraction of the ...

Dark matter makes up a large portion of the universe, but we've never seen it. Here's what we know, what it might be, and why it could change everything. More than 80% of the universe's matter is ...

In a new study published in Physical Review Letters, scientists have estimated a new lower bound on the mass of ...

Dark matter is the unobservable form of matter could make up as much as 85% of mass in the Universe, but scientists are not sure exactly what it is. Axions are one of the leading candidates for ...

As well as having applications in materials science, the discovery could aid the ... Axions are an attractive dark matter candidate because while they do have mass, and theory predicts that the Big ...