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dark matter

An artist’s view of a pulsar near the center of the Messier 82 galaxy.
astrophysics

Galactic Glow, Thought to Be Dark Matter, Now Hints at Hidden Pulsars

A number of high-energy anomalies raised hopes that astrophysicists had seen their first direct glimpses of dark matter. New studies suggest a different source may be responsible.

Illustration: window showing dark matter map
cosmology

Scientists Unveil New Inventory of Universe’s Dark Contents

The first major results from the Dark Energy Survey signal the start of a new era of cosmology.

Dwarf irregular galaxy
Abstractions blog

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

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

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

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

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

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

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

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.