Sky This Week is brought to you in part by Celestron. Friday, December 12Ganymede reappears from occultation behind Jupiter ...

Wausau Pilot & Review Central Wisconsin skywatchers are in for one of the year’s best stretches of observing as the Geminid ...

Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...