The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on May 27.

Jupiter’s four largest and most well-studied moons were first discovered more than 400 years ago. And they still make for wonderful observational targets.

Jupiter has pulled thousands of objects into its orbit, though not all of them are considered moons. The other factor that works in Jupiter's favor is that it's far enough away from the sun to ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

There's a new moon king in our solar system: 12 new moons were discovered around Jupiter, which makes it the planet with the most moons. Jupiter is already the biggest planet in our solar system.

Jupiter is the biggest planet in our solar system, marked by its Great Red Spot (which, by the way, is shrinking) and its 90-plus moons. The gas giant tends not to grab as many headlines as its ...

Jupiter already reigns as king of the planets — it’s the largest one in our solar system. And now, the gas giant has the most known moons, too. Astronomers have observed 12 additional moons ...

This article was originally featured on The Conversation. On Oct. 14, 2024, NASA launched a robotic spacecraft named Europa Clipper to Jupiter’s moons. Clipper will reach the ice-covered Jovian ...

The new moons orbit Jupiter from a distance—all 12 take at least 340 days to orbit the planet, ... The new moons are all much smaller than Earth’s—they range from 0.6 to 2 miles in diameter.

This photo provided by the European Space Agency shows an Ariane rocket carrying the Jupiter Icy Moons Explorer, Juice, spacecraft lifting off from Europe’s Spaceport in Kourou, French Guiana ...

Jupiter already reigns as king of the planets — it’s the largest one in our solar system. And now, the gas giant has the most known moons, too. Astronomers have observed 12 additional moons ...