To spot the celestial 'smiley face,' skywatchers in the U.S. will need a clear view of the eastern horizon in the hour leading up to sunrise on April 25. Look to the eastern sky a

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and appearing near the moon. Venus and Saturn will be the easiest to spot — but for those with a clear view of the horizon, Mercury can be observed hanging low and bright in the cosmos.