UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.

AI is searching particle colliders for the unexpected ...

If dark matter is made from "dark" versions of the basic building blocks of ordinary matter, the world's largest particle accelerator should be able to pin it down, a new study suggests. When you ...

Two recent studies by Professor Stefano Profumo at the University of California, Santa Cruz, propose theories that attempt to answer one of the most fundamental open questions in modern physics: What ...

Astronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that challenges our understanding of how the universe evolved. When you purchase through ...

The universe's matter-antimatter asymmetry, where matter significantly outweighs antimatter despite their theoretically equal creation at the Big Bang, remains a major unsolved problem in physics.

Front Cover; Contents; Preface; Acknowledgments; About the Authors; Introduction; Section 1 -- Concept of Matter and Particle Model of Matter; Matter or Not Matter?; Solids, Liquids, and Gases; What ...