Four years ago this month, an image changed the field of astrophysics. It revealed, for the first time, a direct look at the shadow of a black hole. The shadow is a pit of gravity so powerful that not ...

Supermassive black holes that weigh several billion times the mass of our Sun are present at the centres of active galaxies. Astronomers observe them as bright galactic cores where the galaxy’s ...

In this artist’s rendering, a stream of matter trails a white dwarf orbiting within the innermost accretion disk surrounding 1ES 1927’s supermassive black hole. One supermassive black hole has kept ...

"I wouldn't say primordial black holes were ever dismissed as dark matter candidates; they were ignored for a while though." When you purchase through links on our site, we may earn an affiliate ...

"This is the kind of discovery you make once in your research life." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Milky Way has a big ...