The total energy of the ball consists of its potential energy (related to position) plus its kinetic energy (related to motion). To zero out both components, you would have to give a precise value to ...

Using gold flakes, salt water, and light, scientists have made the universe’s invisible binding forces visible in color. The ...

A new theory suggests the universe’s greatest secrets are hiding in a “zeptouniverse” that’s ready to be explored—without ...

Dark matter doesn’t seem to interact with the matter we can see and touch, so scientists look for it in unusual places, like ...