This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an upside-down bear to some of the oldest stars in the universe.

The Large Magellanic Cloud, which is visible only from the Southern Hemisphere, has been caught in the crosshairs of the ...

Did you ever ask yourself why the sun is bright yellow during the day and why the moon glows white at night? Well, there is ...