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 ...

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 ...

Warm dense matter is a state of matter that forms at extreme temperatures and pressures, like those found at the center of ...

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 ...