By 1687, more than two decades after witnessing that fall, Newton finally published his law of universal gravitation in his work, the Principia. This principle explains that every object in the ...

When a car accelerates suddenly, your body is pressed against the seat, and during emergency braking, you feel as if you are ...

A unique geographical feature exists near Kenya’s capital of Nairobi where the laws of gravity don’t seem to apply. Things go up when they should go down. The world is full of unique and wonderful ...

Cosmic viewer The Atacama Cosmology Telescope in Chile was used by the team to observe gravitational interactions between galaxy clusters. (Courtesy: M Devlin/University of Pennsylvania/CC BY-SA 4.0) ...