Check out your free daily horoscope.

The moon dances with the king of the planets, with the horizon as their stage. When you purchase through links on our site, ...

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

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

A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic ...

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

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

Sailor Jupiter has many powerful attacks in Sailor Moon thanks to the power of thunder. Which one is the strongest of them all?

NASA's Juno spacecraft has snuck a peek at one of Jupiter's largest inner moons. During a close flyby, the spacecraft got a look at Jupiter's moon Thebe from just 3,100 miles (5,000 kilometers) away.

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 ...

NASA has selected Blue Origin to play a major role in the agency’s expanding Moon Base initiative, which will involve three ...

As NASA's Juno flew around Jupiter last week, the spacecraft snapped a photo of an object before it could make a clean getaway. That clunky, bumpy thing at the far right edge of the frame is Thebe, ...