Catch the solar system’s largest planet satellite sharing the constellation Gemini the Twins with our Moon this morning ...

Two new moons have been discovered orbiting Jupiter, bringing the total number of natural satellites orbiting the gas giant ...

Jupiter, the largest planet in our Solar System, is 11 times wider than Earth, and has a mass 2.5 times greater than all of ...

A rare lunar occultation, fading crescent moon, and an interstellar visitor make for a memorable week of stargazing in ...

New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing the hidden chemistry of the icy moon's interior.

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

A long-standing mystery about the presence of hydrogen peroxide on Jupiter's icy ocean moon Europa may be closer to being ...

Almost everything you could want to know about Jupiter's biggest moon, Ganymede.

On Wednesday, July 23, just before sunrise, a slender crescent moon will appear near brilliant Jupiter in the east-northeastern sky. Here's when, where and how to see it.

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

SWRI experiments could explain puzzling levels of equatorial hydrogen peroxide on Saturn's moon Europa detected by the JWST.