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dark matter

Dwarf irregular galaxy
Abstractions blog

Researchers Check Space-Time to See if It’s Made of Quantum Bits

June 21, 2017

The newly developed theory of emergent gravity, proposed as an alternative to dark matter, struggles in one of its first trials.

Andromeda galaxy
Abstractions blog

How Superfluid Dark Matter Mimics an Old Idea About Gravity

June 13, 2017

Does the force of gravity change at large scales? Perhaps not, but a new theory of dark matter shows why that could appear to be the case.

Dark matter superfluid
dark matter

Dark Matter Recipe Calls for One Part Superfluid

June 13, 2017

A different kind of dark matter could help to resolve an old celestial conundrum.

Elena Aprile in her lab at Columbia University.
Q&A

In the Deep, a Drive to Find Dark Matter

December 20, 2016

Elena Aprile now leads the world’s most sensitive dark-matter search. But before she could build her first detector, she had to make herself out of titanium.

Erik Verlinde by Ilvy Njiokiktjien for Quanta Magazine
gravity

The Case Against Dark Matter

November 29, 2016

A proposed theory of gravity does away with dark matter, even as new astrophysical findings challenge the need for galaxies full of the invisible mystery particles.

Abstractions blog

Off-the-Shelf Lens Assists Dark Matter Find

September 28, 2016

A camera lens often used by wildlife and sports photographers has helped astronomers learn about dark matter and galaxy formation.

astrophysics

Strange Dark Galaxy Puzzles Astrophysicists

September 27, 2016

The surprising discovery of a massive, Milky Way–size galaxy that is made of 99.99 percent dark matter has astronomers dreaming up new ideas about how galaxies form.

Q&A

A Seeker of Dark Matter’s Hidden Light

September 1, 2016

The astrophysicist Tracy Slatyer is searching for faint wisps of dark matter annihilating in the early universe — and perhaps in hiding places closer to home.

Q&A

Mining Black Hole Collisions for New Physics

July 21, 2016

The physicist Asimina Arvanitaki is thinking up ways to search gravitational wave data for evidence of dark matter particles orbiting black holes.