Columnist Natalie Wolchover examines the latest developments in the “forever war” over whether string theory can describe the ...

Recent decades have witnessed remarkable progress in establishing rigorous mathematical frameworks for quantum field theory (QFT), conformal field theory (CFT), quantum gravity and string theory.

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Scientists seeking the secrets of the universe would like to make a model that shows how all of nature’s forces and particles fit together. It would be nice to do it with Legos. But perhaps a better ...

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At Oxford, studying string theory means diving into abstract mathematics and quantum physics to explore whether reality is ...

In a bold step toward solving one of science’s most puzzling problems, researchers have proposed a new way to bring gravity into the same mathematical language as the other forces of nature. While the ...

The magnum opus of particle physics is far from complete, requiring physicists to devise many alternatives—some weirder than ...