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 ...

Last year, tungsten diselenide (WSe2) had its magic moment. Two independent research groups discovered "magic angles" at which two atom-thin layers of the unique semiconductor, when twisted relative ...

April 20, 2026 • The Trump administration asserts that a nearly 50-year-old law requiring the preservation of presidential records is unconstitutional. Historians warn important papers could be ...

April 23, 2026 • The AI models and chatbots that we interact with tend to affirm our feelings and viewpoints — more so than people do, with potentially worrisome consequences.