April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

Pulling the plastic bins down the rough pavement of my driveway, I stare up at a smattering of stars and planets. I can’t see that many; the band of the Milky Way that I used to see nightly when I ...

Often referred to as "the gift that keeps giving," the HST has provided not just magnificent science — shared worldwide — but also some of our universe's most significant and ...

In a breathtaking new photograph shared by the European Southern Observatory (ESO), the sun rises behind the Extremely Large ...