This breathtaking Hubble image of spiral galaxy NGC 1309 reveals more than swirling stars and glowing dust—it holds a cosmic mystery.

An infinity symbol–shaped galaxy hosts an active supermassive black hole. The growing giant may have come from the aftermath of a galactic smashup.

At the beginning of 2020, the astronomical world was on high alert when the massive star Betelgeuse, located in the constellation Orion, began to dim unexpectedly. Its sudden fading sparked widespread ...

A red supergiant star is surrounded by a sphere of dust and gas so large there is no known explanation for what produced it ...

What do you get when you stare at the same dead star for more than 20 years? Insight into the weirdest physics in the ...

Black holes are some of the most mysterious objects in the universe, shaping our understanding of space, time, and gravity.

A rogue, middle-mass black hole has been spotted disrupting an orbiting star in the halo of a distant galaxy, and it's all ...