Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...

A frozen object beyond Jupiter is venting carbon dioxide gas into space, revealing what can drive activity so far from the ...

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

A Saturn encounter sent 450P onto a warmer orbit, where buried ice and carbon dioxide may now be awakening the tiny Centaur.

When Alexandre Smia began writing "Jupiter," his gripping feature directing debut about a newly elected French president ...

From a rare daytime Jupiter occultation to Venus glimmering at its peak and the autumn Harvest Moon, September’s skies offer ...