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.

Astrophotographer Ronald Brecher has captured a gorgeous view of the 'Sunflower Galaxy' (Messier 63) from his backyard ...

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

Arcturus (at a magnitude of -0.05), one of the few stars mentioned by name in the Bible, is a giant, about 25 times the ...

The quirks of light moving through gas are the cause of stellar twinkling, which can be a bane—and sometimes a boon—for ...