Two planets will form a 'smiley face' with the moon on April 25. Here's where to look.

If you look up to the sky in the early hours of April 25 you might just see it smiling back at you, NASA skywatchers have forecast. That's when a rare celestial spectacle called a triple conjunction will occur. On the morning of Friday, April 25, Venus, Saturn and the crescent moon will appear close together in the predawn sky, forming a triangular formation reminiscent of a smiley face. You can spot the celestial spectacle close to the eastern horizon just before sunrise, according to NASA. Both planets are bright and easily seen with the naked eye, but a good...