This is the scary moment a bouncy castle toppled over as children played inside. The inflatable slide tilted from the weight of two eight-year-old kids hiding inside when it fell over in Chiang Rai, ...

Why can't we hear this alien scream in space? And have you ever wondered, when you make a sound, like, ooooooooooooo, how does the sound actually get into your ears? Watch what happens when the ...

The biggest stories of the day delivered to your inbox.