Earth’s gravitational force, g, has been known for centuries. But the exact value of G, the universal gravitational constant, ...

Measuring the strength of gravity is extraordinarily difficult, and different experiments have always disagreed – but a new ...

Two UC Berkeley faculty, a UCLA physicist and a UC Santa Barbara Nobel laureate were awarded Breakthrough Foundation prizes ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

By studying galaxy clusters separated by hundreds of millions of light-years, Penn physicist Patricio Gallardo and ...