Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.

Venus, now an "evening star," remains the brightest object in the sky after the moon, while Jupiter shines higher above it ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern ...

The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...

Looking for a sky event this week? Check out our full Sky This Week column. May 21: Check in on Saturn and Mars Tonight we're ...

Another day, another show in the sky! If you look up after dark on Wednesday, April 22, you’ll catch a charming moment in the cosmos, no telescope required: a glowing waxing crescent moon hanging near ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The action will happen in the east-northeast night sky about ...

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends. In fact you should be able to easily see it long before twilight fades.

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...

North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern hemisphere.

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is by ...