Learn how you can see bright Jupiter from Earth, helped by its massive size and banded, reflective cloud tops, in December's ...

Open star clusters sparkle as Luna and Venus line up and Jupiter’s moons jockey for position in the sky this week.

Think you know your constellations? See how many star groups you can name in 10 minutes and try to top the leaderboard.

On the morning before Thanksgiving Day, early risers will get to see one of the 21 brightest stars in the sky suddenly disappear from view. The waning crescent moon, which will only be 13 percent ...

A waning crescent moon will creep closer and closer to Spica until the star's light is extinguished in the blink of an eye on ...