The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its ...

According to the new data, Jupiter's radius measures 71,488 kilometers (44,421 miles) at its equator, and the planet rises 66 ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

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 ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.

New measurements from the Juno probe show that the largest planet in the solar system is slightly smaller and flatter than ...

Jupiter, the largest planet in the solar system, isn’t exactly the size and shape scientists believed it was. New measurements from the Juno spacecraft show ...

Between 7 satellite fly-bys and 2 dedicated missions, you'd think our knowledge about Jupiter would be pretty solid, but we're still learning more.

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

The largest gas giants in our galaxy blur the line between planets and brown dwarfs. How do these very large gas giants form? A team of researchers, led by the UC San Diego, used spectral data from ...

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

New satellite-based analysis explains how energy carried by Alfvén waves moves from Earth’s magnetosphere into the atmosphere to generate auroral light emissions.