Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Condensed-matter physics is the study of substances in their solid state. This includes the investigation of both crystalline solids in which the atoms are positioned on a repeating three-dimensional ...

For more than 70 years, fusion energy researchers have used a particular equation to judge whether a plasma would stay hot and dense enough—for long enough—to reach a point where it could sustain ...

The European Space Agency–led Solar Orbiter spacecraft has flown through an S-shaped kink known as a "switchback" in the solar wind's magnetic field. By fingerprinting the elusive particles within the ...

These top stories are free to read. Analysis Trump’s Retreat: From the Gulf to Britain, American Forces Pull Back A war that was intended to demonstrate the reach of American power has now done the ...

The writer-director follows up ‘The Social Network’ with a drama about some of the company’s controversies, delivered in his overworked word-whiz style and starring Jeremy Strong, Mikey Madison and ...