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

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

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

Quantum Gravity and General Relativity Publication Trend The graph below shows the total number of publications each year in Quantum Gravity and General Relativity.

For decades, physicists have faced one of science’s greatest puzzles: merging quantum mechanics, which describes tiny ...

A test using atomic clocks will watch superpositions ride Earth’s curved space-time and see if Einstein can play nice with ...

Physicists are rethinking time itself. Long treated as a basic part of the universe, time may instead be an illusion—a side ...

Explore the concept of a time machine as Dr. Ronald Mallett shares his journey to create a working time travel device.

A new method to analyze gravitational-wave data could transform how we study some of the universe's most extreme events—black holes smashing into each other.

In physics, there are two great pillars of thought that don't quite fit together. The Standard Model of particle physics describes all known fundamental particles and three forces: electromagnetism, ...

The biggest black hole merger yet observed could confirm a rare class of black holes long thought to be missing from the ...

At the core of his Guadalajara-based practice is a profound inquiry into the fabric of human existence in this particular space and time.