Tonight, the skies will offer some fascinating celestial events, featuring a special rendezvous between the crescent Moon and ...

Jupiter is the object you’ll want to be watching this evening, as Ganymede prepares to transit along with its shadow. About an hour before that event starts, Ganymede and Europa line up as the two ...

Sky This Week is brought to you in part by Celestron. Friday, February 20Once the waxing Moon sets this evening, its ...

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...