From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...

Also called M31—and our closest giant neighboring galaxy at just 2.5 million light years away—Andromeda is home to at least a trillion stars. Like the Milky Way, it’s a spiral galaxy ...

We’re just coming up on August’s “Milky Way” window, arguably the best 10 days of the year for viewing our galaxy. So clear your diary this weekend and get outside to as dark a site as ...

"It's easy to romanticize Hubble and his discovery of the universe beyond the Milky Way galaxy, but his work really stood on the shoulders of a number of people," said Jeff Rich, an astronomer at ...

But only one galaxy stands out as the most important nearby stellar island to our Milky Way—the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear ...

the Andromeda Galaxy will collide with the Milky Way, resulting in a spectacular cosmic collision! Don’t worry, though – the distances between stars are vast, so we won’t feel a thing.

But only one galaxy stands out as the most important nearby stellar island to our Milky Way -- the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear ...

What is our galaxy, the Milky Way, made of? Well, that is a really good question. I suppose the obvious answer, and it's right in part, is stars - some smaller than the sun and some bigger than ...