Black holes may appear to be shaped like a doughnut, but the truth is more complicated than that, explain our readers ...

The supermassive black hole at the center of the Milky Way has long looked quiet, a dim and seemingly dormant presence compared with the blazing monsters in distant galaxies. New X-ray observations ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

The images, captured with the Event Horizon Telescope, show the magnetic field of the supermassive black hole M87* completely reversing. EHT Collaboration Observations of a supermassive black hole ...

A new simulation could help solve one of astronomy’s longstanding mysteries—how supermassive black holes formed so rapidly—along with a new one: What are the James Webb Space Telescope’s (JWST) ...

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, that's what defines a black hole, right? Well, it depends on what you mean by ...

One of the most notable aspects about our planet—if observed from the outside—is that it spins. Earth’s spin defines our days, setting the fundamental rhythm of life on our world. The moon spins, too.