Large Hadron Collider

A fancy cosmic-ray detector, the Alpha Magnetic Spectrometer, is about to scan the cosmos for dark matter, antimatter and more

A century after the discovery of materials that conduct electricity without resistance, the applications remain disappointingly limited. That may be about to change

The soon-to-be-retired Tevatron collider has uncovered an unexplained signal that could be a previously unknown particle

Is the theory at the heart of modern cosmology deeply flawed?

The Relativistic Heavy Ion Collider has produced several nuclei of the antimatter counterpart to helium 4

Is there a theory of everything? If so, is it possible to verify via experimentation? These and other questions energized a panel of physicists and their audience at this year's Isaac Asimov Memorial Debate at the American Museum of Natural History

Physicist Thomas LeCompte explains how the Large Hadron Collider's output will differ from the big bang--and what they have in common. Steve Mirsky reports

Europe's Large Hadron Collider is extending its unprecedented experimental run as the U.S. prepares for a disappointing shutdown of its marquee collider

Scientists at the Large Hadron Collider are trying to solve a puzzle of their own making: why particles sometimes fly in sync

Deep down, the particles and forces of the universe are a manifestation of exquisite geometry

A shadow cosmos, woven silently into our own, may have its own rich inner life

For years the cosmos and the atom have been at odds with one another. If any physicist can reconcile them, it's Steven Weinberg