Its value describes the strength of the gravitational force acting on two masses separated by a given distance—or if you want to be relativistic about it, the amount a given mass curves space-time.

Physicists have taken a major step toward using AI not just to analyze data, but to uncover entirely new laws of nature. By ...

From the boiling of water to the strength of spider silk, intermolecular forces quietly govern the behavior of matter. These subtle attractions between molecules decide when substances melt, boil, ...