Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

Four of the planets, which are Mercury, Venus, Jupiter and Saturn, are bright enough to be spotted with the naked eye in ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Fresh off the excitement of the Perseids meteor shower is a chance to see six planets lined up in the sky at once. These events, colloquially known as planet parades, occur occasionally with the most ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Add Yahoo as a preferred source to see more of our stories on Google. This year, the Perseids meteor shower (typically the most impressive of the year) was washed out by a bright full Moon.