The kilogram is now based on energy changes in the quantum world rather than a physical object. Here's how that works.

What is quantum physics? Put simply, it’s the physics that explains how everything works: the best description we have of the nature of the particles that make up matter and the forces with which they ...

This relationship between air temperature and its ability to hold moisture derives directly from basic thermodynamics, the fundamental laws of physics.

MONTREALAn independent institute for research into theoretical physics is being set up in Waterloo, Ontario thanks to the generosity of a Greek immigrant.

Regardless, Mitra and colleagues wrote that their observation “challenges our basic understanding of physics,” with practical effects extending far beyond a neat lab trick.

"Opposites charges attract; like charges repel" is a long-held fundamental principle of physics that you might have heard at school, but your teacher may have been wrong. Researchers from the ...

Six "grand challenges" ranging from understanding the origins of the universe to creating new materials have been identified by a high-level panel set up to provide an overview of the state of basic ...