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

While peering into some of the oldest regions of the known universe — dating back to just 1.4 billion years after the Big Bang — an international team of astronomers made a puzzling discovery. As ...

Across the observable universe, gravity usually plays by rules that astronomers can write down and simulate, yet every so often an object appears so extreme that the equations start to wobble.

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 ...