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 ...

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

In quantum mechanics, particles do not behave like everyday objects. Instead of existing in one clearly defined state, they ...

The most demanding calculations in quantum chemistry can now be solved with graphics processing unit (GPU) supercomputers. A ...

A study on the ISS found that astronauts over-grip objects because their brains retain expectations of Earth’s gravity.

“With so many unanswered questions, gravity remains one of the most fascinating areas of research,” Patricio Gallardo, one of ...

Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

THE clinical value of the urinary specific gravity is unchallenged by the thousands who routinely perform it as part of every urinalysis. The claim that it differentiates transudate from exudate in ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: The “gravity hole”—a region under ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...