Deep in the heart of the matter, some numbers don't add up. For example, while protons and neutrons are made of quarks, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Can a quark star exist? It's an open question in the astronomy community, but there appears to be ...

Observational first: physicists have used the ATLAS experiment at CERN to observe the production of top-quark and photon pairs. (Courtesy: CERN) For the first time, particle physicists have observed ...

It's an undeniable scientific fact that dark matter must exist in order to explain the full suite of observations we have about the Universe. Despite all that we know about it, however, we have yet to ...

Space is an amazing physics laboratory, because we can see stars and other objects behaving under extreme conditions. Space.com columnist and astrophysicist Paul Sutter explains how quark stars work ...