A team of astronomers has, for the first time, "weighed" dark matter haloes surrounding actively feeding supermassive black holes in the bright hearts of ancient galaxies. These black hole-powered ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Dark matter is believed to make up most of the matter in the universe, yet it has never been directly detected. One theory ...

An artist's depiction shows how brief, bright bursts of radio waves travel through the fog between galaxies, known as the intergalactic medium. Each wavelength allows astronomers to “weigh” the ...

Researchers unveil a quantum measurement protocol that tracks the velocity and direction of wave-like dark matter particles.

RIVERSIDE, Calif. -- A top goal in cosmology is to precisely measure the total amount of matter in the universe, a daunting exercise for even the most mathematically proficient. A team led by ...

Ordinary matter – basically, anything other than dark matter – makes up about 15% of all matter. But half of it has long been missing. Powerful bursts of radio waves emanating from 69 locations in the ...

Studying the mysterious form of matter around ancient quasar galaxies could have profound implications for our understanding of how the cosmos evolved. When you purchase through links on our site, we ...

(CNN) — Astronomers have used mysterious fast radio bursts, or millisecond-long bright flashes of radio waves from space, to help them track down some of the missing matter in the universe. But the ...