Looking for a sky event this week? Check out our full Sky This Week column. September 13: Venus, the Moon, and Spica The Moon ...

Mercury, Venus, Mars, Jupiter and Saturn are all visible this September. Here's when and where to look.

If you're an avid skygazer, you may have noticed two bright objects, Venus and Jupiter, shining in the night sky this week. Now, a third planet is due to join the cosmic fun. That's right, Mercury is ...

Add Yahoo as a preferred source to see more of our stories on Google. Stargazers will soon have an opportunity to view six planets in alignment in the night sky, according to NASA. Mercury, Venus, ...

September brings dazzling planets, a harvest moon and the official shift to autumn.