Every month Aileen O'Donoghue, physicist at St. Lawrence University, stops by NCPR's morning news show, Northern Light to guide us through what to look for in the morning and evening skies. This month ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. As we enter the season with more darkness, it is easy to bemoan the loss of ...

Early risers are in for a spectacular show next week, when Jupiter, Venus and Mercury form a planetary lineup in the predawn sky on Sept. 1. Look above the eastern horizon in the hours preceding dawn ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

Could a vagabond giant from the outermost regions of interstellar space be poised on the cusp of sweeping by our cosmic doorstep? Astronomers say yes and they have the data to support it. Using the ...