Viral social media posts claiming a celestial "smiley face" will appear on Christmas are false. The "smiley face" illusion is an optical effect caused by the alignment of a crescent Moon and two ...

There was a time, back in the ‘Stone Age’ of 2015, when a simple laughing emoji was enough to show you were laughing. If you were feeling bold, you’d throw in a fire or a love emoji.But walk into any ...