While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...

Scientists Stunned As 'Sleeping' Black Hole Wakes Up And Starts Shooting The Most Powerful X-Ray Blasts Ever Black holes have always been an intriguing object for astronomers to observe in space.

Ansky, a once-dormant black hole, is now emitting powerful X-ray bursts, giving scientists a rare chance to study its ...