Some 1.2 billion light-years from Earth, a massive event is unfolding on cosmic scales. There, not two, but three galaxies ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

Space itself is scary enough—dark, vast, cold and empty—but galaxies have all manner of terrifying beasts lurking inside. Most of these astrophysical monsters are stars with various behavioral issues, ...

Here’s what you’ll learn when you read this story: Black holes usually form from stars that burn out and collapse in on themselves, but that cannot explain the red spark of light that could be a ...

Do all stars exist in galaxies, or do some exist in intergalactic space?Thomas GriffilthAtlantic City, New Jersey Nearly all ...

Observations of the galaxy carried out by the Hubble Space Telescope confirmed the presence of two nuclei separated by a ...

Supermassive black holes have been found at the center of almost every galaxy, sucking up anything unlucky to fall into its maw — including light itself — through unfathomable gravitational forces.

"The forces that are needed to dislodge such a massive black hole from its home are enormous." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A supermassive black hole in the spiral galaxy NGC 3783 just delivered an X-ray surprise that astronomers have never watched ...

"This is like a cosmic lighthouse lit by a wandering black hole." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. New research suggests that not ...

Hubble snapped this incredibly detailed view of the "Pillars of Creation" to help mark its 25th anniversary. NASA, ESA/Hubble and the Hubble Heritage Team What do the "Pillars of Creation" look like ...

Scientists have spotted the brightest flare yet from a supermassive black hole that shines with the light of 10 trillion suns. These bursts of light and energy can come from things like tangled-up ...