Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...

The Large Hadron Collider is entering a rare quiet spell, with its proton collisions halted so engineers can prepare the ...

The Large Hadron Collider is heading for another extended shutdown, a planned pause that will take the world’s most powerful ...

For a while, in the Middle Ages, there was a real craze for trying to turn unassuming lead into pure, gleaming gold. Perhaps those ancient alchemists should have been building a particle collider.

For these physicists at CU Boulder, searching for the unknown is a matter of speed. Over the last decade, researchers on campus, including dozens of graduate and undergraduate students, have taken ...