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

A single atom as a movable slit: Researchers realize Einstein's thought experiment in original form, observing ...

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

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

A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists ...

Scientists in China have performed an experiment first proposed by Albert Einstein almost a century ago when he sought to ...

Perhaps one of the most famous experiments in physics has been giving us the wrong message all these years. For nearly two ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

Does the universe notice that we're paying attention to a quantum experiment? The answer goes against everything we thought we knew.

A new concept for energy transfer between gravitational waves and light. When massive cosmic objects such as black holes merge or neutron stars crash into one another, they can produce gravitational ...

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

A physicist has proposed a bold experiment that could allow gravitational waves to be manipulated using laser light. By ...