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LIGO opens a new window on the universe with the observation of gravitational waves from colliding black holes.

The Institute for Quantum Information and Matter hosted an all-day Quantum Summit on January 27, bringing together scientists and engineers to discuss progress in the quantum realm.

Caltech celebrates the past and present of quantum science and considers future possibilities that have the potential to revolution society.

It is not a conventional metal, insulator, or magnet. It is something entirely different and could hold the solution to a long-standing mystery related to high-temperature superconductivity.

Fifty years ago on October 21, 1965, Caltech's Richard Feynman shared the Nobel Prize in Physics with Julian Schwinger and Sin-Itiro Tomonaga. The three independently brokered workable marriages between 20th-century quantum mechanics and 19th-century electromagnetic field theory.

Alexei Kitaev, the Ronald and Maxine Linde Professor of Theoretical Physics and Mathematics, has been awarded the 2015 Dirac Medal and Prize from the Abdus Salam International Centre for Theoretical Physics.

David Hsieh, an assistant professor of physics at Caltech, is searching for new forms of matter that exhibit weird quantum properties in bulk. Find out the why, where, and how at 8 p.m. on Wednesday, October 15, in Caltech's Beckman Auditorium. Admission is free.

Xie Chen comes to Caltech after a two-year postdoctoral fellowship at UC Berkeley. She recently discussed with us her research interests and ambitions for her Caltech career.

Caltech's Murray Gell-Mann simplified the world of particle physics in 1964 by standing it on its head. He theorized that protons—subatomic particles as solid as billiard balls and as stable as the universe—were actually cobbled together from bizarre entities, dubbed "quarks," whose properties are unlike anything seen in our world. Unlike protons, quarks cannot be separated from their fellows and studied in isolation; despite this, our understanding of the universe is built on their amply documented existence.

Researchers at Caltech find a way to sidestep the quantum "noise" that limits the precision of ultrasensitive position measurements.