Every time an aircraft checks in with air traffic control, pilots identify themselves using a unique call sign, something ...

Everyone has looked up at the clouds and seen faces, animals, objects. Human brains are hardwired for this kind of whimsy.

US President Donald Trump said he would sue the BBC for up to $5 billion after the British broadcaster apologised for a ...

But some people – perhaps a surprising number – look to the sky and see government plots and wicked deeds written there. Conspiracy theorists say that contrails – long streaks of condensation left by ...

Your vocal cords are as big as your thumbnail,” Jon Bon Jovi says. He holds up his thumb. “That’s a fact,” he says. He has ...