String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single ...

Tiny but ageing neutrinos can be used to test the very foundations of quantum theory at unprecedented cosmological time scales Schrodinger’s skinniest kittens Must the Schrodinger’s Cat be fat ...

String theory proposes that the universe’s fundamental particles aren’t points but tiny vibrating strings, whose different modes create the variety of matter and forces, including gravity ...

While the electromagnetic, weak, and strong forces are described by the Standard Model of particle physics, gravity remains an outlier—resisting efforts to be fully explained by quantum theory.

For decades, physicists have been looking at the grand unified theory and two main candidates have been put forward, string theory and quantum loop gravity.

Loop quantum gravity, by contrast, reformulates general relativity in a background-independent manner, quantising space-time itself through discrete structures.

With contributions by Dr. G. N. R. Tripathi NOTRE DAME, IN / ACCESS Newswire / August 23, 2025 / For the first time, ...

A new physics paper takes a step toward creating a long-sought "theory of everything" by uniting gravity with the quantum world. However, the new theory remains far from being proven observationally.