The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on May 27.

The night sky isn’t perfectly dark—instead it glows faintly, and the source isn’t exactly local. ... A decently dark site in a rural area has a sky background of about 21 mag/arcsec 2.

Still, the planetary parade, as the event is colloquially named, “makes for a very nice excuse to go outside at night, maybe with a glass of wine, and enjoy the night sky.” A Parade of Planets ...

The prototype BlueWalker 3 satellite is now one of the brightest objects in the night sky. Astronomers are worried about even bigger, brighter satellites that are on the way.