It's the last day of Amazon Prime Day and some of these deals are definitely ending tonight. Grab some new optics in time to ...

Sky This Week is brought to you in part by Celestron. Friday, July 11The Moon passes just 0.02° north of the dim, distant dwarf planet Pluto at 7 P.M. EDT. However, the bright light from our satellite ...

Plus, with Saturn making its return to the night sky next week after spending the last few months as a 'morning star', the ...

This Prime Day deal gives you a huge $50 off the Nikon Prostaff P3 10x42 binoculars. Whether you are an aspiring astronomer ...

The Celestron NexStar 8SE is the cheapest we've seen it since January — this deal is one to watch during Prime Day.