Mass limits of dark matter derived from 'strange' stars

(PhysOrg.com) -- Much of the matter in our universe may be made of a type of dark matter called weakly interacting massive particles, better known as WIMPs. Although some scientists predict that these hypothetical particles ...

Is dark matter made of axions? Black holes may reveal the answer

What is dark matter made of? It's one of the most perplexing questions of modern astronomy. We know that dark matter is out there, since we can see its obvious gravitational influence on everything from galaxies to the evolution ...

Scientists observe a new form of strange matter

In a discovery that could provide new insights into the origin of mass in the universe following the Big Bang, scientists from the international J-PARC E15 Collaboration, led by researchers from the RIKEN Cluster for Pioneering ...