Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night. Jupiter features many events involving its four major moons that are well worth ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two planets host very different types of polar vortices, which are huge atmospheric ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. (Left) the ringed gas giant ...

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." When you purchase through links on our site, we may earn an affiliate ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Recent research suggests that Saturn's bright rings and its largest moon, Titan, may have both originated in collisions among its moons. While Cassini's 13-year mission expanded our understanding of ...

Jupiter and Saturn may be similar in size and made of the same gases, but the weather at their poles tells a different story. While Saturn’s north pole is home to a single, massive hexagonal vortex, ...

The gas giant’s shape and size, previously known only from data collected more than 45 years ago, have been updated at last.

The two largest planets in the Solar System – Jupiter and Saturn – have a lot in common. They're made of very similar stuff, they spin at similar speeds, and radiate internal heat similarly. Heck, ...

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

Ganymede transits the face of Jupiter this morning, trailed by its large shadow. The event starts just before 4 A.M. EST, as Jupiter is slowly setting in the west for much of the U.S. (The planet is ...