Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Elementary particle physics is the modern expression of the human quest to understand ...

A hidden link has been found between two seemingly unrelated particle collision outcomes. It’s the latest example of a mysterious web of mathematical connections between disparate theories of physics.

"I am personally excited to have found a new mystery in science to solve." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

Physicists have found that an elementary particle called the W boson appears to be 0.1% too heavy — a tiny discrepancy that could foreshadow a huge shift in fundamental physics. The measurement, ...

Once in a very great while, an ephemeral particle called a kaon arises and then quickly decays away into three other obscure entities. Whether or not this happens in a particular way has very little ...