Arizona stargazers can see the Milky Way without special equipment. Learn when and where to spot our galaxy's bright center.

Northern Hemisphere skywatchers now have their annual window to observe the Milky Way’s luminous core, a seasonal stretch that runs from March through October but peaks in intensity during the summer ...

It can be hard to get your head around the fact that Earth is moving through space. But it is even stranger to realize that you are making two simultaneous journeys — around the sun and through the ...

Add Yahoo as a preferred source to see more of our stories on Google. We live in the Milky Way galaxy, an immense, flat, spiral galaxy surrounded by a massive halo of stars and dark matter. The disk ...

When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

The Milky Way is the immense galactic system that houses Earth, the Sun and countless other stars, planets and cosmic bodies.

Our status as milk-producing mammals would not be lost on intelligent aliens studying the history of our astronomy. The ancient Greeks, they would learn, described a milkiness in the night sky. And ...

CAPE CANAVERAL, Fla. (AP) - It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two ...