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

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

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

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

After four centuries of advances, astronomers now capture the Sun’s swirling, dynamic features in stunning detail.

Researchers have finally resolved a century-old debate over the famous "double slit" experiment, according to new research.

Quantum mechanics is weird. When you think you have reached the bottom of its weirdness, you always discover a new ...