Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

The theoretical physicist and best-selling author finds inspiration in politics and philosophy for rethinking space and time.

The law of conservation of momentum states that within a closed system, the total momentum remains constant, assuming no ...

When multiple charges are present, the total electric potential at a point is the scalar sum of the potentials due to each ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Given a particle in Euclidean space, a central force is a force that points toward or away from the origin and depends only on the particle’s distance from the origin. If the particle’s position at ...

With the Border Patrol marching through Chicago and the National Guard patrolling Memphis, the variety of federal forces deployed to support President Trump’s mass deportation campaign and anticrime ...

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

There are few sports more exciting than playoff baseball, but behind every pitch there is also a fascinating story of physics ...

A single equation found on a Babylonian clay tablet, written nearly four millennia ago, reveals a mathematical insight eerily similar to theories used in modern cosmology. Reform’s poll lead ...

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...