Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night.

Jupiter’s swirling storms have concealed its true makeup for centuries, but a new model is finally peeling back the clouds.

Reanalysis of NASA Galileo data identifies ammonia-bearing compounds on Europa, linking surface fractures, cryovolcanism, and subsurface ocean chemistry relevant to future Europa Clipper ...

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

Clyde Tombaugh, who was born on this day in 1906, grew up on a farm in Kansas and was captivated by sights of the moon and ...

February stargazing is so special. Sure it’s cold but the extra special celestial jewels make it worth bundling up for. If you’re not already in the darker countryside, try to get out there. But ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

Towering clouds ripple across Jupiter's surface in dramatic patterns. Like Earth's clouds, they contain water, but on Jupiter they are far denser and ...