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: ...

Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever. In a clever tabletop experiment, researchers at Leiden University in the ...

Free teacher resource for primary science. In a practical investigation, Mwaksy and Greg look at how unsupported objects fall ...

For more than 200 years, scientists have struggled to pin down the exact strength of gravity — and one physicist spent a decade chasing the answer while keeping his own results hidden from himself.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Jeff Bezos’ rocket company gave NASA a brief taste of the moon’s gravity Tuesday, without straying too far from home. Blue Origin launched the 29 lunar technology experiments to the edge of space from ...