A new study just added an interesting twist to the complicated history of the physics theory.

If you could take an apple and break it into smaller and smaller parts, you would find molecules, then atoms, followed by ...

Physicists searching for a better understanding of quantum gravity stumbled upon something unexpected: the defining ...

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

Physicists may have uncovered a surprising new clue that string theory—the idea that the universe is built from unimaginably tiny vibrating strings—could be more than just a mathematical fantasy.

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...

String theory proposes that the fundamental constituents of the universe are one-dimensional “strings” rather than point-like particles. What we perceive as particles are actually vibrations in loops ...

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Fifty-eight years after it first appeared, string theory remains the most popular candidate for the “theory of everything,” the unified mathematical framework for all matter and forces in the universe ...