Physicists have spent decades treating mass as something the universe simply hands to particles, a property encoded in equations rather than explained from first principles. A new proposal argues that ...

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

If ever spotted in the emptiness of space, according to theoretical physicist Eugeny Babichev of the University of ...

As well as particle physics, neutrinos touch astroparticle physics, cosmology, astrophysics, nuclear physics and geophysics, ...

To progress to the next level in understanding reality, we need to combine quantum mechanics and Einstein’s general ...

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

After years of careful investigation, researchers working on the Micro Booster Neutrino Experiment (MicroBooNE) have determined that a ...

A unified theory – that explains the interactions in the standard model of particle physics from one common origin – has been ...

For centuries, the principle of symmetry has guided physicists towards more fundamental truths, but now a slew of shocking ...

The particle in question, known as a sterile neutrino, was supposed to only interact with gravity and have zero interactions ...

String theory attempts to unify all forces and particles in the universe using vibrating strings. It aims to explain the Standard Model of particle physics, which is incomplete. String theory predicts ...

The original version of this story appeared in Quanta Magazine. When it comes to understanding the fabric of the universe, most of what scientists think exists is consigned to a dark, murky domain.