Looking for a sky event this week? Check out our full Sky This Week column. September 7: Venus and Spica, side by side The ...

The Moon will hide Jupiter from view on Sep 8 in a rare skywatching event. Check city-wise timings here.

Skywatchers across North America have a rare shot at watching the moon erase Jupiter from view in full daylight. A slender ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as familiar with. Scientists think they understand how the most important moon ...

A composite image of Jupiter taken by the James Webb Space Telescope, showing the planet's rings and two of its moons, Amalthea and Adrastea. The blue glow around Jupiter's poles is the aurora. | ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. We humans love shapes in the night sky. We see images of ...

Friday, September 4Last Quarter Moon occurs at 3:51 A.M. EDT Have you heard of the "demon star," Algol? This strange sun is actually two stars in a system known as an eclipsing binary. As the name ...

Jupiter hosts more than 100 moons, with most attention focused on the four Galilean moons: Io, Europa, Ganymede and Callisto.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...