Collaborative work by amateur and professional astronomers has helped to resolve a long-standing misunderstanding about the composition of Jupiter's clouds. Instead of being formed of ammonia ice -- ...

A rare four-planet conjunction will be visible most of this month as Venus, Jupiter, Saturn, and Mars light up the sky.

New research from a team of citizen scientists challenges the old idea that Jupiter's visible clouds are formed of ammonia ...

Jupiter is huge when it comes to planets in our solar system, but it turns out there's actually an upper limit when it comes ...

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

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by Koji Kuramura and Gerald Eichstädt. Credit: NASA/JPL-Caltech/SwRI/MSSS | ...

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

January 2025 offers a series of spectacular celestial events for stargazers. The month kicks off with the Quadrantid meteor ...

The new year will be a busy one in the night sky with celestial sights of all types for everyone to enjoy, many of which can ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.