The bright stars Castor and Pollux will be positioned to the left of the moon in the early morning hours of Aug. 19. Mercury, ...

Jupiter will soon end its brilliant year-long showing on consecutive evenings with a rendezvous with an exceedingly thin and very young crescent moon. Indeed, for the first opportunity on Tuesday ...

Ricing Moon and Mountain Shadows Moon, according to AccuWeather. Watch it climb the southeastern sky shortly after sunset for the most dramatic view. Jupiter–Venus Conjunction Set an early alarm for ...

Related: 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.

An hour after the Sun disappears, Jupiter (shining at magnitude –1.9) is just 4° high in the west. Some 8.5° above it is the crescent Moon, near the border of Gemini and Auriga.

One of Jupiter’s 95 known moons, Europa is almost the size of our own moon. It’s encased in an ice sheet estimated to be 10 miles to 15 miles or more (15 kilometers to 24 kilometers) thick.

Clipper will circle Jupiter every 21 days. One of those days will bring it close to Europa, among 95 known moons of Jupiter and close to our own moon in size.

Here’s how it works. An illustration of a thin crescent moon beside Jupiter on the evening of May 27, 2025. (Image credit: Chris Vaughan/Starry Night) ...

One of Jupiter’s 95 known moons, Europa, is almost the size of our own moon. It's encased in an ice sheet estimated to be 10 miles to 15 miles or more (15 kilometers to 24 kilometers) thick.

When searching for the unknown, classic physics wisdom holds that a bigger detector boosts the chances of discovery. A ...

A New Spacecraft Could Help Determine if There’s Life on a Moon of Jupiter 5 minute read An artist's rendering of Europa clipper barnstorming its target moon, with Jupiter in the background. NASA ...