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Gravity

Claudia de Rham

Physics

The physicist searching for quantum gravity in gravitational rainbows

Claudia de Rham thinks that gravitons, hypothetical particles thought to carry gravity, have mass. If she鈥檚 right, we can expect to see 鈥渞ainbows鈥� in ripples in space-time

Features

Physics

Rethinking space and time could let us do away with dark matter

News

Physics

How one theory ties together everything we know about the universe

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Theory of everything and geometry

Physics

Why physicists are rethinking the route to a theory of everything

Features
A black hole in space

Space

鈥業slands鈥� poking out of black holes may solve the information paradox

News
The international space station

Physics

Ultracold atoms in space will let us stress test Einstein’s relativity

News
Monika Schleier-Smith

Physics

The physicist trying to create space-time from scratch

Features
The ALPHA-g experiment at CERN
Physics

Inside ALPHA-g: The detector measuring gravity’s effect on antimatter

Video

Physics

Antimatter definitely doesn’t fall up, physicists confirm

News
Starfield - Elements of this Image Furnished by NASA ; Shutterstock ID 295846730; purchase_order: -; job: -; client: -; other: -

Physics

Why Isaac Newton’s laws still give physicists a lot to think about

The apparent equivalence of gravitational mass to inertial mass is a remarkable and beautiful feature of the cosmos, with a deep implication, says Chanda Prescod-Weinstein

News

Physics

From time crystals to wormholes: When is a quantum simulation real?

Features

Space

We must address a key obstacle to our new age of space exploration

News

Physics

The massive problem of trying to fully explain what mass actually is

News

Space

A distant supernova defies our understanding of the cosmos鈥檚 expansion

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