Generally, the nights of and near the new moon – when the moon is not illuminated – are better for most stargazing experiences. Here are the dates of new moons this year.

The new moon is the so-called "invisible phase of ... The moon is also in the sky during the day, and without its Earth-facing side illuminated by the sun, observers can't really see it.

On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...

Six planets will form a rare planetary alignment in the night sky on Jan. 21; here is everything you need to know about the ...

On Jan. 9, skywatchers can watch the dark limb of the 82%-illuminated waxing gibbous moon creep across this beloved star ...

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...

Blue Ghost and New Glenn started off the year right. Many more launches are on the way, and many can be watched online.

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

Because a lunar cycle lasts 29.5 days, having two new moons in one month is rare but inevitable if the first new moon falls on the first or second day of the ... planets and deep-sky objects ...