Northern Sky: May 13 - 26

Deane Morrison is a science writer at the University of Minnesota, where she authors the Minnesota Starwatch column.

One of Jupiter's moons, Io, is the site of a powerful volcano. Saturn starts to be bright in the night sky, and on May 13-14, a bright moon follows close behind Saturn. In the middle of June, Saturn will be visible throughout the night.

Photo is courtesy of NASA/University of Minnesota