A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show!

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

Black holes, like the one in this illustration, can spray powerful jets. S. Dagnello (NRAO/AUI/NSF), CC BY-SA ...

It's not an actual object, but a warped, mind-bending optical illusion. "The picture features a rare cosmic phenomenon — an Einstein ring. What appears to be a single, strangely shaped galaxy is ...

Optical illusions have become a popular challenge for puzzle enthusiasts, providing a unique test for the mind. From brain teasers linked to age to complex math-based puzzles, there is no shortage ...

THIS is the clever optical illusion that will reveal your most annoying personality trait. Usually, personality tests drag you through loads of boring questions. And often the answer is overly ...

Optical illusions have fascinated brain puzzle lovers across the globe, providing an intriguing challenge for the mind. Optical illusions deceive our senses, causing us to doubt what we're looking ...

Optical Illusion: We have a picture given below, which is an image of some hand gestures. All the hands are doing the same gesture. However, one among them has a different gesture- basically, it is an ...

THIS mind-bending optical illusion can reveal a lot of your personality traits. Give this cracking brainteaser a go, and we'll tell you exactly what kind of person you are based on what you see first.

Radiologists are particularly adept at spotting optical illusions, according to a new study that sheds light on how one could train to avoid being tricked by their vision. Until now, scientists ...

On Sunday afternoon, Saturn’s iconic rings vanished from our skies. Don’t worry—the planet’s rings are still intact. But from Earth’s vantage point, a temporary phenomenon called a “ri ...