night sky

Keep an eye on the sky this week for a chance to see a planetary hangout. Five planets — Mercury, Jupiter, Venus, Uranus, and Mars — will line up near the moon.

A time-lapse video shows a white orb spreading out and forming a spiral as it moves across the sky. It then fades and disappears.

A new study that analyzes data from more than 50,000 amateur stargazers finds that artificial lighting is making the night sky about 10% brighter each year.

Scenery of night sky near Tashkent, Uzbekistan.