Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Have you seen it? I am talking about that super-bright and super-red “star” rising in the east in the early evening Pottsville sky. That is not actually a star, it is the planet Mars.

Another tip about using your telescope on Mars or anything else in the night sky is to be sure you let your telescope and any eyepieces you’ll be using sit outside for a good 30 to 60 minutes so ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

Or as Senior Editor of Sky & Telescope magazine, Alan MacRobert once noted: "Watching the moon cover or uncover bright stars gives a visceral sense of the moon's orbital motion. Try it!" ...

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...

Throughout January, four planets will line up in the night sky and be simultaneously visible to the naked eye in the Northern ...

Sky and Telescope Magazine has a handy online tool to identify Jupiter's moons. Get to know how many mirrors your telescope is using. If it's an odd number, the image you see is reverse ...

Here are three top destinations to find the most epic stargazing and unparalleled views of the aurora borealis in the new ...