Quantum gravity

A new experimental proposal suggests detecting a particle of gravity is far easier than anyone imagined. Now physicists are debating what it would really prove.

Curious connections between physics and math suggest to Latham Boyle that space-time may survive the jump to the next theory of reality.

A 1930s-era breakthrough is helping physicists understand how quantum threads could weave together into a holographic space-time fabric.

A black hole formula worked out in the 1970s remains the most concrete clue physicists have about the threads of the space-time fabric.

A mysterious phenomenon known as duality often leads to new discoveries in physics. This time, space-time itself can sometimes be two things at once.

The philosopher Karen Crowther digs into how the space-time fabric could possibly emerge from something non-spatiotemporal.

These three imagined scenarios lead many physicists to doubt that space-time is fundamental.

This special issue of Quanta Magazine explores the ultimate scientific quest: the search for the fundamental nature of reality.

Black holes are inescapable traps for most of what falls into them — but there can be exceptions. The theoretical physicist Leonard Susskind speaks with co-host Janna Levin about the black hole information paradox and how it has propelled modern physics.