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

Gravity is everywhere: pulling at your feet, holding satellites in orbit, and making the Earth spin around the sun. Yet, for ...

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

When an object moves extremely fast—close to the speed of light—certain basic assumptions that we take for granted no longer ...

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

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 ...

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

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

Modern technology is built on such fundamental advances — for example, the GPS in your smartphone works thanks to Einstein ... quantum field theory and general relativity.