Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

Discover an incredible illusion drawing that creates the appearance of a mysterious hole opening in the sky. This realistic artwork combines creative pencil sketching, detailed shading, and ...

Have a look at this image. Do you perceive that the central black hole is expanding, as if you're moving into a dark environment, or falling into a hole? If so, you're not alone: a new study shows ...

Expand the image above to fill your screen and stare at the black blob in the center. (You can also find the original version here.) Most people perceive the blob as ...

Once in a while, an optical illusion fools you in a such a sneaky way, it makes your eyes do something you’re not aware of. Look at the image at the top of this story—a black hole surrounded by black ...

If you are a big optical illusion aficionado and think you have seen it all, it's time to reconsider. Because this optical illusion is not just puzzling for the brain, but also tricks human reflexes ...