Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

The theorized unseen structure of spacetime could also explain of the outstanding questions about the accelerating expansion ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

Physicists have spent decades treating mass as something the universe simply hands to particles, a property encoded in ...

For more than a century, gravity has been the stubborn outlier in physics, resisting every attempt to merge Einstein’s smooth ...

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

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.

A new study enhances hydrogen molecule predictions, achieving unprecedented precision in testing fundamental physics and ...

Bootstrapping strings Evidence that string theory could be the sole viable “theory of everything” has emerged in a new theoretical study of particle scattering. (Courtesy: iStock/Anadmist) Striking ...

The multiverse hypothesis, while offering potential explanations for fundamental physics parameters, faces criticism due to its lack of falsifiability, a core tenet of scientific methodology.

Why can't you take a lot of physics terms literally? Shouldn't “the Theory of Everything” be called “the theory of some things but not everything”? originally appeared on Quora: the place to gain and ...