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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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 ...

For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other. Quantum theory governs particles and fields, while Einstein’s gravity describes ...

An ambitious new collaboration promises to expand our understanding of what some physicists have called the “glue” that holds the universe together — the strong nuclear force. “One of the fundamental ...