A heavyweight candidate for dark matter

Almost a quarter of the universe stands literally in the shadows. According to cosmologists' theories, 25.8% of it is made up of dark matter, whose presence is signaled essentially only by its gravitational pull. What this ...

Physicist explains significance of Higgs boson discovery

In July, physicists were ecstatic in announcing preliminary results pointing to the discovery of the long-sought Higgs boson particle. The Higgs boson is a tiny subatomic particle that apparently weighs about 130 times as ...

12 matter particles suffice in nature

How many matter particles exist in nature? Particle physicists have been dealing with this question for a long time. The 12 matter particles contained in the standard model of particle physics? Or are there further particles ...

page 1 from 6