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

The two planets, being the two brightest planets in view from Earth, will also be joined by Mercury.

A model based on numerical simulations reveals why Jupiter has a larger number of larger moons than Saturn. The model, developed by a team of astronomers from Japan and China, has also uncovered how ...

May is ending with a second full moon of the month, known as a Blue Moon, and the possibility to see four planets.

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.

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

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

Sky This Week is brought to you in part by Celestron. Friday, May 15Are you familiar with the constellation Crater the Cup?

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 ...

If you have binoculars, you may even spot some of Jupiter’s largest moons as tiny pinpoints beside the planet NICHOLAS KAMM/AFP via Getty A waxing crescent moon and Jupiter will appear close together ...