Back in the 1920s, quantum mechanics, which is the theory that underpins everything from how atoms behave to how quantum computers work, was well on the way to gaining mainstream acceptance. But one ...

After the passing of physicist Anthony Leggett, columnist Karmela Padavic-Callaghan remembers their personal connection with ...

For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other. Quantum theory governs particles and fields, while Einstein’s gravity describes ...