For more than a century, the double-slit experiment has been the sharpest test of what reality is made of, and of whether ...

Physicists in China have brought one of Einstein’s thought experiments into reality—but not quite with the outcome he hoped ...

"Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of ...

God does not play dice with the universe,” Albert Einstein famously declared in 1927, sparking one of the most enduring ...

A new theory of "dark photons" attempted to explain a centuries-old experiment in a new way this year, in an effort to change ...