On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

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’s largest moons, known as the Galilean moons, are known not only for their size but for their unique features. Discovered in 1610 by Galileo Galilei, these moons—Ganymede, Callisto, Io ...

The moon and Jupiter will meet-up with Jupiter for one last time in 2023 on Friday (Dec. 22), with the two bodies making a close approach to each other in the sky as they reach conjunction.

Jupiter now has a total of 92 moons, more than any other planet in the solar system. Getty Images/iStockphoto Astronomers have discovered 12 new moons around Jupiter, putting the total count at a ...

Jupiter has a width of around 89,000 miles (143,000 km) making it 11 times the size of Earth. Our planet is itself around four times as large as the moon, which has a diameter of around 2,200 ...

Each of Jupiter's other 91 official moons has a diameter greater than 0.6 mile (1 kilometer) — but only 57 have names, and just eight have regular, nearly round orbits.

Also, many of the moons orbiting Jupiter are very small, which makes them hard to see. Of the 12 newly-discovered moons, half are bigger than 1.5 miles in size , which is how big a planet has to ...

Jupiter sets record after 12 new moons discovered 00:14. Europa, one of Jupiter's 95 moons, generates 1,000 tons of oxygen every 24 hours, NASA's Jet Propulsion Laboratory said Monday.

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 ...

Astronomers have discovered 12 new moons around Jupiter, pushing it past Saturn as the planet in our solar system with the most moons — a whopping 92. Jupiter's moon count jumps to 92, most in ...