Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky this week.

If you're lucky enough to have clear skies tonight, you can catch a "mini planet parade" as Mars and Jupiter appear alongside ...

For instance, the Hubble Space Telescope entered safe mode relatively recently as scientists worked on remedying some ...

Venus, Saturn, and Mercury are full of surprises this month, and they have one more awe-striking display in store. Before ...

A massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.

"The solar wind squished Jupiter's magnetic shield like a giant squash ball. This created a super-hot region that spans half ...

After sunset on April 2, look for the crescent moon and Jupiter in the western sky. The duo will appear within a palm’s width ...

Venus becomes the brilliant “Morning Star” in the east before dawn, the Lyrids Meteor Shower takes place and the Moon has ...