“Using newer mathematical tools, my colleague and I have demonstrated a new theory that may accurately describe the universe.

Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric of space and time at the heart of Albert Einstein's theory of relativity.

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go to the ends of space and time to find a fix.

Once again, it turns out that renowned theoretical physicist Stephen Hawking was right. Oh, and Albert Einstein, too.

A radical new theory regarding the origin of the universe suggests that gravitational waves, tiny ripples in spacetime first ...

Textbooks give strange, imprecise explanations of where things happen in quantum mechanics. Consistency with gravity needs a fresh approach.

The entangled clocks can test how quantum theory behaves in the presence of curved space-time as predicted by Einstein, or whether our current theories break down. Hoboken, N.J., July 14, 2025 ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

Apart from curved space-time, what else dwells at the heart of black holes, if this theory is correct? According to Hennigar, strictly speaking, nothing.

Exploring the BTZ black hole in (2+1)-dimensional gravity took me down a fascinating rabbit hole, connecting ideas I never expected—like black holes and topological phases in quantum matter ...