Contemporary research in physics can be broadly divided into nuclear and particle physics; condensed matter physics; atomic, molecular, and optical physics; astrophysics; and applied physics.

Apr 29, 2026 · Physics is the branch of science that deals with the structure of matter and how the fundamental constituents of the universe interact. It studies objects ranging from the very small using …

Physics is concerned with describing the interactions of energy, matter, space, and time, and it is especially interested in what fundamental mechanisms underlie every phenomenon. The concern for …

Physics the study of matter, motion, energy, and force.

Physics is a natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. More broadly, it is the study of nature in an …

Physics is a discipline that appeals to problem solvers who are curious about the world. Physicists work to gain knowledge of the mysteries of the universe—visible matter makes up only about 5 percent of …

Squishy Science Sunday, part of APS’ Global Physics Summit, welcomed 1,500 visitors to a local museum. Experiments shed light on the uncertain optical response of so-called stealthy …

The Physics Hypertextbook is a reaction to three big problems with textbooks: lack of writer's voice, layouts that reduce readability, and outdated economics.

The Physics Classroom Tutorial presents physics concepts and principles in an easy-to-understand language. Conceptual ideas develop logically and sequentially, ultimately leading into the …

Accelerate your understanding of how matter and energy work. These physics resources introduce the history of the field and simplify its major theories and laws.