In the world of quantum physics, the rules that govern reality behave in ways that challenge what we think we know. Particles ...

"God does not play dice." This famous remark by Albert Einstein critiqued the probabilistic nature of quantum mechanics.

A groundbreaking experiment demonstrates yet again that light exists both as a wave and a particle in the quantum world—but ...

The theory of quantum mechanics has transformed daily life since being proposed a century ago, yet how it works remains a ...

Nature survey shows that disagreement about the meaning of quantum physics remains strong, even 100 years in. And that’s OK.

In commemoration of the 100th anniversary of modern quantum mechanics, a survey asked physicists for their takes on some hot ...

In the strange world of quantum mechanics, objects can exist in several states at once. This concept, called superposition, is one of the most puzzling features of quantum theory. A particle, for ...

When a German physicist returned from a health retreat 100 years ago, his ideas sparked a debate about reality, and gave rise ...

Scientists propose a groundbreaking experiment using quantum computers and atomic clocks to test whether gravity alters the ...

One of the biggest challenges in modern physics is uniting quantum mechanics and general relativity. A new experiment may ...

Particles of light travelling through a maze of devices seem to have passed a famous test for entanglement – without being ...

Quantum physics offers scientists the best description of the universe on tiny scales smaller than atoms. Albert Einstein's theory of general relativity, on the other hand, brings about the best ...