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

The waning Moon passes Jupiter, Venus, and Mercury before dawn, while Titan’s shadow transits Saturn in the sky this week.

This quiz will challenge your knowledge of Jupiter's features, moons, and the missions that have dared to get close.

The headlines are popping up across the web alerting stargazers to the upcoming Black Moon that will rise with sun early on ...

(GREGG NEWTON/AFP via Getty Images) The $5.2 billion mission is expected to end in 2034, when Europa Clipper will slam into Jupiter’s largest moon, Ganymede.

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 thick.

Often overshadowed by Europa and Ganymede, Callisto is actually one of the largest moons in our solar system. In this video, ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as ...

Jupiter’s moons have long fascinated scientists with their potential to harbor life, challenging our understanding of ...

A dozen new moons have been found orbiting Jupiter, including 11 normal moons and one “oddball” moon, according to Carnegie Institution for Science.

It is expected to reach Jupiter in April 2030 to study Europa, the icy-surfaced moon, which is roughly the size of Earth’s moon and thought to have “ingredients for life,” such as water ...

The Solar System has a total of 419 known moons around planets. If we count dwarf planets, asteroids, and other worlds, the ...