For more than a century, physics has described nature using four fundamental interactions: gravity, electromagnetism, the strong nuclear force, and the weak nuclear force. That picture is ...

For decades, scientists have searched for a fifth fundamental force of nature that can explain mysterious aspects of the universe such as dark energy and dark matter. These are pieces of our cosmos ...

A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden extra dimensions. These dimensions could twist and evolve over time, forming ...