Sky This Week is brought to you in part by Celestron. Friday, June 13Mercury is making its way through Gemini, passing close ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun on Jan. 15. It will be visible all night long because it will rise with ...

The newly released photo "is believed to be the first orbital image of the rover mid-drive across the Red Planet," NASA officials said in a statement today (April 24). The rover tracks seen in the ...