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

Jupiter is the biggest planet in our Solar System. With 79 moons, it falls just behind Saturn’s moon count of 82. Imagine looking up into the night sky and seeing not one but 79 different moons ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring ...

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

Keith’s note: Astrobiologist Dale Andersen is heading back in Antarctica at Lake Untersee in January-February 2026 for ...

Throughout his time in the entertainment industry, he has worked on and off Broadway as a stage manager, written several ...

A new study from geophysicists at Washington State University sheds light on how nutrients could travel from the surface of Europa into the moon's ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

When it comes to the search for extraterrestrial life, research focuses on the so-called habitable zone of stars. This may ...