Einstein’s strangest optical illusion has been captured—thanks to lasers, a cube, and a bit of artistic inspiration.

Fast-moving objects don’t always look the way you’d expect. When something travels near the speed of light, strange things ...

New research challenges the long-accepted notion of singularities in black holes — the point where physics allegedly breaks ...

Albert Einstein’s statements on philosophy and religion were often memorably resonant. What the great physicist really ...

James Joyce completed his first book, Dubliners ... For his part, Einstein never quite knew what hit him. “I never understood why the theory of relativity with its concepts and problems so ...

At long last, a unified theory combining gravity with the other fundamental forces—electromagnetism and the strong and weak ...

Quantum ideas describe particles and fields in tiny packages, but general relativity paints gravity as smooth curves in space ...

Research from Aalto University could bring together the four fundamental forces of nature under a singular framework ...

Albert Einstein’s theory of special relativity describes how moving at close to the speed of light would affect travellers’ experience of space and time. These insights don’t merely give us ...

Researchers have developed a new quantum theory of gravity which describes gravity in a way that's compatible with the Standard Model of particle physics, opening the door to an improved understanding ...