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Mysterious 'Shrinking' Proton Baffles Physicists

Posted 04.14.2013 | Science

By: Stephanie Pappas, LiveScience Senior Writer Published: 04/13/2013 03:10 PM EDT on LiveScience DENVER — The size of a proton, long thought to...

The Measure of All Things

Mario Livio | Posted 12.02.2012 | Science
Mario Livio

Sizes in our universe are primarily determined by the weakness of gravity in the atomic microworld. As a result, all the structures that are dominated by gravitational effects (such as stars, galaxies, and the cosmos as a whole) have to be extremely massive.

Landmark Paper In Particle Physics Lauded 120 Years Later

| Frank Wilczek | Posted 05.21.2012 | Science

Electrons rule our world, but not so long ago they were only an idea. This month marks the 120th anniversary of a profound and influential creation, t...