Perched atop the summit of Mauna Kea in Hawaii, the Gemini North Observatory is one of the world's most powerful windows into ...

Starlink satellites orbit Earth around every 90 minutes, so you might be able to spot them several times in one evening. That ...

Sky This Week is brought to you in part by Celestron. Friday, November 21 The solar system's seventh planet, the ice giant Uranus, reaches opposition this morning at 7 A.M. EST among the stars of ...

A new study reveals that the Pleiades is the core of a once-much-larger cluster, many of whose members have scattered to the ...

Skywatchers around North America will have a chance to see the Leonid meteor shower peak on Nov. 17. Since the moon will be ...

The star atop the Roper Mountain Science Center will be removed for upgrades that are estimated to take a year to complete ...