According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.

The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars.

According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

A controversial prediction about black holes and the expansion force of the universe could explain a cosmology mystery ...

Black holes are eaters of all things, even radiation. A new study published in Physical Review Letters suggests that black ...

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...

According to a new Physical Review Letters study, black holes could help solve the dark matter mystery. The shadowy regions in black hole images captured by the Event Horizon Telescope can act as ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe's greatest mysteries. The most widely accepted theory currently suggests ...

A new look at radio maps of the sky shows a pronounced tilt, called a dipole, that astronomers are still unable to explain ...