An Einsteinian view of gravity, a curvature in spacetime caused by mass and energy. (ESA/C.Carreau) Quantum mechanics and Einstein's general relativity explain how the Universe works at the tiniest ...

A new experiment found that a falling quantum wave behaves just as Einstein’s equivalence principle predicts. The result ...

Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever. In a clever tabletop experiment, researchers at Leiden University in the ...

Physicists have long suspected that gravity might have a hidden quantum side, but for decades the idea has been more mathematics than measurement. A new proposal for a tabletop experiment now suggests ...

A decade-long NIST experiment has produced a new measurement of the universal gravitational constant that differs ...

For more than a century, quantum mechanics and Albert Einstein’s theory of general relativity have each passed countless tests, but physicists have struggled to reconcile the two. Now, scientists in ...

Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever. In a clever tabletop experiment, researchers at Leiden University in the ...

Physicists have put a decades-old idea about why the strange rules of quantum mechanics disappear in our everyday world to ...

Physics is filled with mysteries - and believe it or not, gravity remains one of them. We rely on gravity to explain things large and small. And yet, at a fundamental level, we still don’t fully ...

Scientists have spent decades trying to understand how gravity operates at its most basic scale. However, no theory has come close to fully explaining it. Now, though, a new theory could finally give ...

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