Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

Diamonds with certain optically active defects can be used as highly sensitive sensors or qubits for quantum computers, where ...

General relativity is an astonishingly beautiful theory, and grappling with why it disagrees with quantum mechanics is a joy, ...

Explore the key moments in the history of quantum theory, from the early ideas of Albert Einstein and Werner Heisenberg to the discovery of phenomena like superposition and entanglement – and today’s ...