What you think is a perfect reflection might be universe that is fundamentally different. When you look in mirror, and see what you think is a perfect reflection. You might be looking at universe ...

Physicists have finally confirmed a phenomenon that sounds like pure science fiction: waves that appear to bounce off a sudden change in time rather than a surface in space. The effect, known as a ...

Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...

If you put two mirrors facing each other, you can see an endless reflection, like 'the mirror reflected in the other mirror ...' Science news site Live Science asked experts whether it is possible to ...