This path forms the basis of the new impossible shape, which is a continuous multilevel staircase modeled on a shape called a ...

Deep space has just delivered a cosmic curveball: an object that behaves so strangely it appears to break the rules astronomers use to describe how the universe grew up. The discovery centers on an ...

Add Yahoo as a preferred source to see more of our stories on Google. An impossible object is something that looks realistic when drawn but can’t exist in real life. Dutch artist M. C. Escher is ...