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 ...

If you spend time in physics research circles, you may have heard of the big G controversy. The universal constant of gravitation, G – affectionately known as "big G" to distinguish it from little g, ...

Update: On 2 June 2011, Barry Wood’s committee released its new recommended values for the fundamental physical constants. The value for “big G” was reduced by 66 parts per million, and the ...

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. Related video above: ...