An international team built a quantum interferometer, split a single rubidium atom into two simultaneous paths — one falling ...

Physicists including Roger Penrose observed gravity’s effect on a falling quantum object for the first time, confirming ...

Scientists have spotted the first hints that Einstein's formulation of gravity operates in the quantum realm.

Physicists split an atomic wave between free fall and a stationary path, revealing a quantum phase predicted nearly a century ...

Rubidium atoms on China’s Tiangong space station fell with the same acceleration, upholding a cornerstone of Einstein’s ...