But, once it hangs high above the sky, where you're only likely to see the occasional ... Astronauts in space can also experience the moon illusion, even when there isn't anything in their line of ...

Can you spot the hidden owl in this mind-boggling optical illusion in 5 seconds? Only those with high IQ and sharp eyes can ...

Here's the thing: That giant moon you see, as you look at the horizon, is the same size as when you see it in the sky. It's ...

If you're traveling with kids, there is no better place in Edinburgh than Camera Obscura and World of Illusions ... see anything at all – when the sky was overcast. Opening hours vary seasonally ...