Add Yahoo as a preferred source to see more of our stories on Google. Scientists Stephan Schlamminger (left) and Vincent Lee examine the torsion balance they used to measure the gravitational constant ...

Physicists have been trying to measure the fundamental gravitational constant for well over two centuries. The current ...

Physicists in the US have found that Newton's law of gravity holds to a high degree of accuracy at distances as small as 55 micrometres . The measurements were made using a torsion balance and show ...

Mutual attraction: why is it so difficult to pin down the gravitational constant? (Courtesy: iStock/FrankRamspott) Two extremely precise measurements of the gravitational constant G have yielded ...

Scientists have announced the results of a decade-long quest to measure Newton’s gravitational constant, the force that keeps our feet on the ground and holds planets in orbit. The pursuit was more or ...