The universe is overrun with dark matter, outweighing the ordinary stuff that stars and planets are made of five-to-one. But ...

This video explores the enigma of dark matter, an elusive substance believed to make up most of the universe's matter. While the universe is populated by visible stars and galaxies, much of its mass ...

Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

A simulation of the cosmic sheet as seen from the side, with voids above and below. (Wempe et al., Nat. Astron., 2026) The Milky Way isn't just drifting through a giant void in space untethered, but ...

The magnum opus of particle physics is far from complete, requiring physicists to devise many alternatives—some weirder than ...

First and perhaps most perplexingly, researchers remain unsure about what exactly dark matter is. Originally, some scientists ...

A galaxy made of 99.94% to 99.98% dark matter immediately challenges and updates models for how dark matter works. It also sheds light on how the universe arrived at the large-sca ...

Dragonfly FRO, LLC, a Focused Research Organization (FRO), today announced the construction of MOTHRA, a next-generation telescope designed to reveal the cosmic web — the vast network of gas and dark ...

Construction has begun on a new telescope designed to map one of the universe’s ...

Astronomers have created an enormous 3D map of the universe revealing a glowing “sea of light” from hydrogen gas during the cosmic dawn nearly 11 billion years ago.

MOTHRA observing at night. Each mount is equipped with a wide area web cam. Besides the mount in the foreground two others are visible. The skies at El Sauce Observatory in Chile ...