String theory: Scientists are trying new ways to verify the idea that could unite all of physics

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...
Wired

Flummoxed by Force and Motion? Try This Physics Experiment

You're sitting in physics class, working on a traditional problem involving forces and acceleration, when you start to wonder where these terms even came from. Were they just dreamed up to bring ...
Astronomy

The fifth force: Is there another fundamental force of nature?

In recent years, a group of Hungarian researchers have made headlines with a bold claim. They say they’ve discovered a new particle — dubbed X17 — that requires the existence of a fifth force of ...
New Scientist

Is gravity a new type of force that arises from cosmic entropy?

There are some things in life that just sort of happen. Desks get covered in dust and scraps of paper. Clothes get dirty and the laundry basket fills up. Weeds slowly creep across an untended ...