A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...
Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...
A phantom “Super-Jupiter” 13 times more massive than our solar system’s gas giant is drifting through the cosmos around 20 light-years from Earth. Although discovered in 2006, the “free ...
For centuries, Jupiter reigned as king of the moons. Initially, the Big Four, discovered by Galileo, and then as optics and astronomy advanced, more and more, smaller and smaller bodies, until Big J ...
Even before the recently announced moons, Saturn had more than anyone could reasonably keep track of. Now, astronomers have ...
The dividing line between gas giant planets and failed stars is blurry at best. The isolated planetary-mass object SIMP ...
A total lunar eclipse occurs this month. Venus transitions from evening to morning, while Mars and Jupiter dominate the late ...
Using data collected by NASA’s Juno spacecraft as it flew past Jupiter’s highly volcanic moon Io in late 2023 and again in ...