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A New Geometry for Einstein’s Theory of Relativity

July 16, 2025

A team of mathematicians based in Vienna is developing tools to extend the scope of general relativity.

New Maps of the Bizarre, Chaotic Space-Time Inside Black Holes

February 24, 2025

Physicists hope that understanding the churning region near singularities might help them reconcile gravity and quantum mechanics.

How Do Merging Supermassive Black Holes Pass the Final Parsec?

October 23, 2024

The giant holes in galaxies’ centers shouldn’t be able to merge, yet merge they do. Scientists suggest that an unusual form of dark matter may be the solution.

The ‘Beautiful Confusion’ of the First Billion Years Comes Into View

October 9, 2024

Astronomers are reveling in the James Webb Space Telescope’s discoveries about the formative epoch of cosmic history.

The #1 Clue to Quantum Gravity Sits on the Surfaces of Black Holes

September 25, 2024

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

The Thought Experiments That Fray the Fabric of Space-Time

September 25, 2024

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

The Unraveling of Space-Time

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

Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes

August 21, 2024

For decades, extremal black holes were considered mathematically impossible. A new proof reveals otherwise.

Mathematicians Attempt to Glimpse Past the Big Bang

May 31, 2024

By studying the geometry of model space-times, researchers offer alternative views of the universe’s first moments.

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