Friday, September 4Last Quarter Moon occurs at 3:51 A.M. EDT Have you heard of the "demon star," Algol? This strange sun is ...

Looking for a sky event this week? Check out our full Sky This Week column. September 5: Titan near Saturn The waning ...

Check your weather forecast for clear skies tonight, so you don't miss out on the 'nearly-total' lunar eclipse. This evening, the Full Moon will rise. However, depending on where you are at the time, ...

Looking for a sky event this week? Check out our full Sky This Week column. September 2: Venus south of Spica The Moon passes ...

September’s sky features brilliant Venus, the Milky Way’s hazy center, and the seasonal turning point of the equinox. The ...

Looking for a sky event this week? Check out our full Sky This Week column. September 3: The Moon in Taurus Last Quarter Moon ...

Here’s what the Moon looks like on September 3, including its current phase and how much of it will be visible.

September brings brilliant Venus, the Harvest Moon, an equinox, and several easy-to-spot celestial sights in the night sky.

But it’s not time to put away your telescopes, with some lesser-known astronomical events set to arrive across the sky this month. The Pleiades will appear next to the moon, Venus will reach its ...

This month brings glowing planetary meetups, excellent Milky Way viewing, and the start of a promising season for northern ...

North America’s celestial highlights for the week ahead, which also apply to mid-northern latitudes in the northern ...