Monday evening (Nov. 4), the night before Election Day, will bring a lovely celestial display involving the two brightest objects in the nighttime sky. The planet Venus, which has been languishing low ...

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...

Stargazers are in for a treat this weekend, with the moon and a stunningly bright Venus set to appear very close to each other in the heavens. The event—known as a conjunction—will grace skies over ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

On the early morning of October 19, a slender crescent moon pairs with the brightest planet, Venus, creating a stunning ...

Looking for a sky event this week? Check out our full Sky This Week column. October 18: Io, Europa, and their shadows cross ...

The moon-planet-star trio are among the brightest objects in our solar system, meaning the impending conjunction should be incredibly easy to spot. A conjunction is an astronomical event in which at ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

Should your local weather forecast suggest that Friday morning — the start of the Memorial Day Holiday Weekend — will be fair and clear, it will be well worth setting your alarm clock to awaken you ...

May is nearing an end, but the night sky still has plenty to offer for stargazers this month. Several visible planets, a new moon, Venus' pull from the sunrise and Manhattanhenge will all occur within ...

February's full moon will shine before Valentine's Day with an added bonus view of Venus — named after the Roman goddess of love — during the month's rare planetary parade. Pennsylvania stargazers are ...