Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

Records from Albert Einstein's final years are being published as a book around 20 years after their discovery, as ...

What exactly is gravity, and how does it work? From Newton’s early groundbreaking discoveries to Einstein’s revolutionary ...

When a German physicist returned from a health retreat 100 years ago, his ideas sparked a debate about reality, and gave rise ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

Quantum field theory (QFT) is a physics framework that describes how particles and forces behave based on principles rooted ...

The mind-bending concept of time dilation results from a seemingly harmless assumption—that the speed of light is the same ...

Decades ago, a renegade physicist suggested that gravity isn't so much a force as just a byproduct of the universe's tendency ...

One of the biggest challenges in modern physics is uniting quantum mechanics and general relativity. A new experiment may ...

The imaginations of scientists and sci-fi lovers have just been stimulated with the news that a warp drive is being studied ...

When it comes to space travel, Albert Einstein's theory of relativity is a major inconvenience. With the laws of physics (currently) prohibiting faster-than-light travel, velocities are limited to ...