A new theory could resolve longstanding tensions in mutually exclusive ideas about physics.

Tenets of quantum mechanics and special relativity, among other theoretical ideas, lead inexorably to string theory.

At long last, a unified theory combining gravity with the other fundamental forces—electromagnetism and the strong and weak nuclear forces—is within reach. Bringing gravity into the fold has been the ...

After winning a Breakthrough Prize, the world’s most lucrative science award, theoretical physicist David Gross is using the moment to warn of nuclear war’s existential threat—and how we can escape it ...

A simplified introduction to the first steps toward understanding the theory of everything.

It has been over a century since the boom period of physics exploded with Albert Einstein, Max Planck and others, sending us spinning into a new world of chaos from our previously ordered universe.

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James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Stephen Hawking is one of the most recognisable figures in modern science. His book 'A Brief History of Time' explained ...