From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics experiments that changed the world. When you purchase through links on our site ...

An unassuming pile of black graphite bricks containing uranium became known famously as Chicago Pile 1, the world’s first human-created, self-sustaining nuclear chain reaction. Eighty years later, ...

An underground vat of liquid xenon in Italy may have just detected a new particle, born in the heart of the sun. If that's indeed what happened, it could upend laws of physics that have held fast for ...

Physical-collapse theories have long offered a natural solution to the central mystery of the quantum world. But a series of increasingly precise experiments are making them untenable. How does ...